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libpri/libpri.h

2286 lines
73 KiB

/*
* libpri: An implementation of Primary Rate ISDN
*
* Written by Mark Spencer <markster@digium.com>
*
* Copyright (C) 2001, Digium, Inc.
* All Rights Reserved.
*/
/*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2 as published by the
* Free Software Foundation. See the LICENSE file included with
* this program for more details.
*
* In addition, when this program is distributed with Asterisk in
* any form that would qualify as a 'combined work' or as a
* 'derivative work' (but not mere aggregation), you can redistribute
* and/or modify the combination under the terms of the license
* provided with that copy of Asterisk, instead of the license
* terms granted here.
*/
/*
* NOTE:
* All new global identifiers that are added to this file MUST be
* prefixed with PRI_ or pri_ to indicate that they are part of this
* library and to reduce potential naming conflicts.
*/
#ifndef _LIBPRI_H
#define _LIBPRI_H
/* Node types */
#define PRI_NETWORK 1
#define PRI_CPE 2
/* Debugging */
#define PRI_DEBUG_Q921_RAW (1 << 0) /* Show raw HDLC frames */
#define PRI_DEBUG_Q921_DUMP (1 << 1) /* Show each interpreted Q.921 frame */
#define PRI_DEBUG_Q921_STATE (1 << 2) /* Debug state machine changes */
#define PRI_DEBUG_CONFIG (1 << 3) /* Display error events on stdout */
#define PRI_DEBUG_Q931_DUMP (1 << 5) /* Show interpreted Q.931 frames */
#define PRI_DEBUG_Q931_STATE (1 << 6) /* Debug Q.931 state machine changes */
#define PRI_DEBUG_Q931_ANOMALY (1 << 7) /* Show unexpected events */
#define PRI_DEBUG_APDU (1 << 8) /* Debug of APDU components such as ROSE */
#define PRI_DEBUG_AOC (1 << 9) /* Debug of Advice of Charge ROSE Messages */
#define PRI_DEBUG_CC (1 << 10) /* Debug call-completion. */
#define PRI_DEBUG_ALL (0xffff) /* Everything */
/* Switch types */
#define PRI_SWITCH_UNKNOWN 0
#define PRI_SWITCH_NI2 1 /* National ISDN 2 */
#define PRI_SWITCH_DMS100 2 /* DMS 100 */
#define PRI_SWITCH_LUCENT5E 3 /* Lucent 5E */
#define PRI_SWITCH_ATT4ESS 4 /* AT&T 4ESS */
#define PRI_SWITCH_EUROISDN_E1 5 /* Standard EuroISDN (CTR4, ETSI 300-102) */
#define PRI_SWITCH_EUROISDN_T1 6 /* T1 EuroISDN variant (ETSI 300-102) */
#define PRI_SWITCH_NI1 7 /* National ISDN 1 */
#define PRI_SWITCH_GR303_EOC 8 /* GR-303 Embedded Operations Channel */
#define PRI_SWITCH_GR303_TMC 9 /* GR-303 Timeslot Management Channel */
#define PRI_SWITCH_QSIG 10 /* QSIG Switch */
/* Switchtypes 11 - 20 are reserved for internal use */
/* PRI D-Channel Events */
#define PRI_EVENT_DCHAN_UP 1 /* D-channel is up */
#define PRI_EVENT_DCHAN_DOWN 2 /* D-channel is down */
#define PRI_EVENT_RESTART 3 /* B-channel is restarted */
#define PRI_EVENT_CONFIG_ERR 4 /* Configuration Error Detected */
#define PRI_EVENT_RING 5 /* Incoming call (SETUP) */
#define PRI_EVENT_HANGUP 6 /* Call got hung up (RELEASE/RELEASE_COMPLETE/other) */
#define PRI_EVENT_RINGING 7 /* Call is ringing (ALERTING) */
#define PRI_EVENT_ANSWER 8 /* Call has been answered (CONNECT) */
#define PRI_EVENT_HANGUP_ACK 9 /* Call hangup has been acknowledged */
#define PRI_EVENT_RESTART_ACK 10 /* Restart complete on a given channel (RESTART_ACKNOWLEDGE) */
#define PRI_EVENT_FACNAME 11 /* Caller*ID Name received on Facility (DEPRECATED) */
#define PRI_EVENT_FACILITY 11 /* Facility received (FACILITY) */
#define PRI_EVENT_INFO_RECEIVED 12 /* Additional info (digits) received (INFORMATION) */
#define PRI_EVENT_PROCEEDING 13 /* When we get CALL_PROCEEDING */
#define PRI_EVENT_SETUP_ACK 14 /* When we get SETUP_ACKNOWLEDGE */
#define PRI_EVENT_HANGUP_REQ 15 /* Requesting the higher layer to hangup (DISCONNECT) */
#define PRI_EVENT_NOTIFY 16 /* Notification received (NOTIFY) */
#define PRI_EVENT_PROGRESS 17 /* When we get PROGRESS */
#define PRI_EVENT_KEYPAD_DIGIT 18 /* When we receive during ACTIVE state (INFORMATION) */
#define PRI_EVENT_SERVICE 19 /* SERVICE maintenance message */
#define PRI_EVENT_SERVICE_ACK 20 /* SERVICE maintenance acknowledgement message */
#define PRI_EVENT_HOLD 21 /* HOLD request received */
#define PRI_EVENT_HOLD_ACK 22 /* HOLD_ACKNOWLEDGE received */
#define PRI_EVENT_HOLD_REJ 23 /* HOLD_REJECT received */
#define PRI_EVENT_RETRIEVE 24 /* RETRIEVE request received */
#define PRI_EVENT_RETRIEVE_ACK 25 /* RETRIEVE_ACKNOWLEDGE received */
#define PRI_EVENT_RETRIEVE_REJ 26 /* RETRIEVE_REJECT received */
#define PRI_EVENT_CONNECT_ACK 27 /* CONNECT_ACKNOWLEDGE received */
/* Simple states */
#define PRI_STATE_DOWN 0
#define PRI_STATE_UP 1
#define PRI_PROGRESS_MASK
/* Progress indicator values */
#define PRI_PROG_CALL_NOT_E2E_ISDN (1 << 0)
#define PRI_PROG_CALLED_NOT_ISDN (1 << 1)
#define PRI_PROG_CALLER_NOT_ISDN (1 << 2)
#define PRI_PROG_INBAND_AVAILABLE (1 << 3)
#define PRI_PROG_DELAY_AT_INTERF (1 << 4)
#define PRI_PROG_INTERWORKING_WITH_PUBLIC (1 << 5)
#define PRI_PROG_INTERWORKING_NO_RELEASE (1 << 6)
#define PRI_PROG_INTERWORKING_NO_RELEASE_PRE_ANSWER (1 << 7)
#define PRI_PROG_INTERWORKING_NO_RELEASE_POST_ANSWER (1 << 8)
#define PRI_PROG_CALLER_RETURNED_TO_ISDN (1 << 9)
/* Numbering plan identifier */
#define PRI_NPI_UNKNOWN 0x0 /*!< Unknown numbering plan */
#define PRI_NPI_E163_E164 0x1 /*!< ISDN/telephony numbering plan (public) */
#define PRI_NPI_X121 0x3 /*!< Data numbering plan */
#define PRI_NPI_F69 0x4 /*!< Telex numbering plan */
#define PRI_NPI_NATIONAL 0x8 /*!< National standard numbering plan */
#define PRI_NPI_PRIVATE 0x9 /*!< Private numbering plan */
#define PRI_NPI_RESERVED 0xF /*!< Reserved for extension */
/* Type of number */
#define PRI_TON_UNKNOWN 0x0
#define PRI_TON_INTERNATIONAL 0x1
#define PRI_TON_NATIONAL 0x2
#define PRI_TON_NET_SPECIFIC 0x3
#define PRI_TON_SUBSCRIBER 0x4
#define PRI_TON_ABBREVIATED 0x6
#define PRI_TON_RESERVED 0x7
/* Redirection reasons */
#define PRI_REDIR_UNKNOWN 0x0
#define PRI_REDIR_FORWARD_ON_BUSY 0x1
#define PRI_REDIR_FORWARD_ON_NO_REPLY 0x2
#define PRI_REDIR_DEFLECTION 0x3
#define PRI_REDIR_DTE_OUT_OF_ORDER 0x9
#define PRI_REDIR_FORWARDED_BY_DTE 0xA
#define PRI_REDIR_UNCONDITIONAL 0xF
/* Dialing plan */
#define PRI_INTERNATIONAL_ISDN 0x11
#define PRI_NATIONAL_ISDN 0x21
#define PRI_LOCAL_ISDN 0x41
#define PRI_PRIVATE 0x49
#define PRI_UNKNOWN 0x0
/* Presentation */
#define PRI_PRES_NUMBER_TYPE 0x03
#define PRI_PRES_USER_NUMBER_UNSCREENED 0x00
#define PRI_PRES_USER_NUMBER_PASSED_SCREEN 0x01
#define PRI_PRES_USER_NUMBER_FAILED_SCREEN 0x02
#define PRI_PRES_NETWORK_NUMBER 0x03
#define PRI_PRES_RESTRICTION 0x60
#define PRI_PRES_ALLOWED 0x00
#define PRI_PRES_RESTRICTED 0x20
#define PRI_PRES_UNAVAILABLE 0x40
#define PRI_PRES_RESERVED 0x60
#define PRES_ALLOWED_USER_NUMBER_NOT_SCREENED \
(PRI_PRES_ALLOWED | PRI_PRES_USER_NUMBER_UNSCREENED)
#define PRES_ALLOWED_USER_NUMBER_PASSED_SCREEN \
(PRI_PRES_ALLOWED | PRI_PRES_USER_NUMBER_PASSED_SCREEN)
#define PRES_ALLOWED_USER_NUMBER_FAILED_SCREEN \
(PRI_PRES_ALLOWED | PRI_PRES_USER_NUMBER_FAILED_SCREEN)
#define PRES_ALLOWED_NETWORK_NUMBER \
(PRI_PRES_ALLOWED | PRI_PRES_NETWORK_NUMBER)
#define PRES_PROHIB_USER_NUMBER_NOT_SCREENED \
(PRI_PRES_RESTRICTED | PRI_PRES_USER_NUMBER_UNSCREENED)
#define PRES_PROHIB_USER_NUMBER_PASSED_SCREEN \
(PRI_PRES_RESTRICTED | PRI_PRES_USER_NUMBER_PASSED_SCREEN)
#define PRES_PROHIB_USER_NUMBER_FAILED_SCREEN \
(PRI_PRES_RESTRICTED | PRI_PRES_USER_NUMBER_FAILED_SCREEN)
#define PRES_PROHIB_NETWORK_NUMBER \
(PRI_PRES_RESTRICTED | PRI_PRES_NETWORK_NUMBER)
#define PRES_NUMBER_NOT_AVAILABLE \
(PRI_PRES_UNAVAILABLE | PRI_PRES_NETWORK_NUMBER)
/* Reverse Charging Indication */
#define PRI_REVERSECHARGE_NONE -1
#define PRI_REVERSECHARGE_REQUESTED 1
/* Causes for disconnection (See Q.850) */
#define PRI_CAUSE_UNALLOCATED 1 /*!< Called number unassigned. */
#define PRI_CAUSE_NO_ROUTE_TRANSIT_NET 2 /* !Q.SIG */
#define PRI_CAUSE_NO_ROUTE_DESTINATION 3
#define PRI_CAUSE_CHANNEL_UNACCEPTABLE 6
#define PRI_CAUSE_CALL_AWARDED_DELIVERED 7 /* !Q.SIG */
#define PRI_CAUSE_NORMAL_CLEARING 16
#define PRI_CAUSE_USER_BUSY 17
#define PRI_CAUSE_NO_USER_RESPONSE 18
#define PRI_CAUSE_NO_ANSWER 19
#define PRI_CAUSE_CALL_REJECTED 21
#define PRI_CAUSE_NUMBER_CHANGED 22
#define PRI_CAUSE_NONSELECTED_USER_CLEARING 26
#define PRI_CAUSE_DESTINATION_OUT_OF_ORDER 27
#define PRI_CAUSE_INVALID_NUMBER_FORMAT 28
#define PRI_CAUSE_FACILITY_REJECTED 29 /* !Q.SIG */
#define PRI_CAUSE_RESPONSE_TO_STATUS_ENQUIRY 30
#define PRI_CAUSE_NORMAL_UNSPECIFIED 31
#define PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION 34
#define PRI_CAUSE_NETWORK_OUT_OF_ORDER 38 /* !Q.SIG */
#define PRI_CAUSE_NORMAL_TEMPORARY_FAILURE 41
#define PRI_CAUSE_SWITCH_CONGESTION 42 /* !Q.SIG */
#define PRI_CAUSE_ACCESS_INFO_DISCARDED 43 /* !Q.SIG */
#define PRI_CAUSE_REQUESTED_CHAN_UNAVAIL 44
#define PRI_CAUSE_PRE_EMPTED 45 /* !Q.SIG */
#define PRI_CAUSE_RESOURCE_UNAVAIL_UNSPECIFIED 47
#define PRI_CAUSE_FACILITY_NOT_SUBSCRIBED 50 /* !Q.SIG */
#define PRI_CAUSE_OUTGOING_CALL_BARRED 52 /* !Q.SIG */
#define PRI_CAUSE_INCOMING_CALL_BARRED 54 /* !Q.SIG */
#define PRI_CAUSE_BEARERCAPABILITY_NOTAUTH 57
#define PRI_CAUSE_BEARERCAPABILITY_NOTAVAIL 58
#define PRI_CAUSE_SERVICEOROPTION_NOTAVAIL 63 /* Q.SIG */
#define PRI_CAUSE_BEARERCAPABILITY_NOTIMPL 65
#define PRI_CAUSE_CHAN_NOT_IMPLEMENTED 66 /* !Q.SIG */
#define PRI_CAUSE_FACILITY_NOT_IMPLEMENTED 69 /* !Q.SIG */
#define PRI_CAUSE_INVALID_CALL_REFERENCE 81
#define PRI_CAUSE_IDENTIFIED_CHANNEL_NOTEXIST 82 /* Q.SIG */
#define PRI_CAUSE_INCOMPATIBLE_DESTINATION 88
#define PRI_CAUSE_INVALID_MSG_UNSPECIFIED 95 /* !Q.SIG */
#define PRI_CAUSE_MANDATORY_IE_MISSING 96
#define PRI_CAUSE_MESSAGE_TYPE_NONEXIST 97
#define PRI_CAUSE_WRONG_MESSAGE 98
#define PRI_CAUSE_IE_NONEXIST 99
#define PRI_CAUSE_INVALID_IE_CONTENTS 100
#define PRI_CAUSE_WRONG_CALL_STATE 101
#define PRI_CAUSE_RECOVERY_ON_TIMER_EXPIRE 102
#define PRI_CAUSE_MANDATORY_IE_LENGTH_ERROR 103 /* !Q.SIG */
#define PRI_CAUSE_PROTOCOL_ERROR 111
#define PRI_CAUSE_INTERWORKING 127 /* !Q.SIG */
/* Transmit capabilities */
#define PRI_TRANS_CAP_SPEECH 0x0
#define PRI_TRANS_CAP_DIGITAL 0x08
#define PRI_TRANS_CAP_RESTRICTED_DIGITAL 0x09
#define PRI_TRANS_CAP_3_1K_AUDIO 0x10
#define PRI_TRANS_CAP_7K_AUDIO 0x11 /* Depriciated ITU Q.931 (05/1998)*/
#define PRI_TRANS_CAP_DIGITAL_W_TONES 0x11
#define PRI_TRANS_CAP_VIDEO 0x18
#define PRI_LAYER_1_ITU_RATE_ADAPT 0x21
#define PRI_LAYER_1_ULAW 0x22
#define PRI_LAYER_1_ALAW 0x23
#define PRI_LAYER_1_G721 0x24
#define PRI_LAYER_1_G722_G725 0x25
#define PRI_LAYER_1_H223_H245 0x26
#define PRI_LAYER_1_NON_ITU_ADAPT 0x27
#define PRI_LAYER_1_V120_RATE_ADAPT 0x28
#define PRI_LAYER_1_X31_RATE_ADAPT 0x29
/* Intermediate rates for V.110 */
#define PRI_INT_RATE_8K 1
#define PRI_INT_RATE_16K 2
#define PRI_INT_RATE_32K 3
/* Rate adaption for bottom 5 bits of rateadaption */
#define PRI_RATE_USER_RATE_MASK 0x1F
#define PRI_RATE_ADAPT_UNSPEC 0x00
#define PRI_RATE_ADAPT_0K6 0x01
#define PRI_RATE_ADAPT_1K2 0x02
#define PRI_RATE_ADAPT_2K4 0x03
#define PRI_RATE_ADAPT_3K6 0x04
#define PRI_RATE_ADAPT_4K8 0x05
#define PRI_RATE_ADAPT_7K2 0x06
#define PRI_RATE_ADAPT_8K 0x07
#define PRI_RATE_ADAPT_9K6 0x08
#define PRI_RATE_ADAPT_14K4 0x09
#define PRI_RATE_ADAPT_16K 0x0A
#define PRI_RATE_ADAPT_19K2 0x0B
#define PRI_RATE_ADAPT_32K 0x0C
#define PRI_RATE_ADAPT_38K4 0x0D
#define PRI_RATE_ADAPT_48K 0x0E
#define PRI_RATE_ADAPT_56K 0x0F
#define PRI_RATE_ADAPT_57K6 0x12
#define PRI_RATE_ADAPT_28K8 0x13
#define PRI_RATE_ADAPT_24K 0x14
#define PRI_RATE_ADAPT_0K1345 0x15
#define PRI_RATE_ADAPT_0K1 0x16
#define PRI_RATE_ADAPT_0K075_1K2 0x17
#define PRI_RATE_ADAPT_1K2_0K075 0x18
#define PRI_RATE_ADAPT_0K05 0x19
#define PRI_RATE_ADAPT_0K075 0x1A
#define PRI_RATE_ADAPT_0K110 0x1B
#define PRI_RATE_ADAPT_0K150 0x1C
#define PRI_RATE_ADAPT_0K200 0x1D
#define PRI_RATE_ADAPT_0K300 0x1E
#define PRI_RATE_ADAPT_12K 0x1F
/* in-band negotiation flag for rateadaption bit 5 */
#define PRI_RATE_ADAPT_NEGOTIATION_POSS 0x20
/* async flag for rateadaption bit 6 */
#define PRI_RATE_ADAPT_ASYNC 0x40
/* Notifications */
#define PRI_NOTIFY_USER_SUSPENDED 0x00 /* User suspended (Q.931) (Call is placed on hold) */
#define PRI_NOTIFY_USER_RESUMED 0x01 /* User resumed (Q.931) (Call is taken off hold) */
#define PRI_NOTIFY_BEARER_CHANGE 0x02 /* Bearer service change (DSS1) */
#define PRI_NOTIFY_ASN1_COMPONENT 0x03 /* ASN.1 encoded component (DSS1) */
#define PRI_NOTIFY_COMPLETION_DELAY 0x04 /* Call completion delay */
#define PRI_NOTIFY_CONF_ESTABLISHED 0x42 /* Conference established */
#define PRI_NOTIFY_CONF_DISCONNECTED 0x43 /* Conference disconnected */
#define PRI_NOTIFY_CONF_PARTY_ADDED 0x44 /* Other party added */
#define PRI_NOTIFY_CONF_ISOLATED 0x45 /* Isolated */
#define PRI_NOTIFY_CONF_REATTACHED 0x46 /* Reattached */
#define PRI_NOTIFY_CONF_OTHER_ISOLATED 0x47 /* Other party isolated */
#define PRI_NOTIFY_CONF_OTHER_REATTACHED 0x48 /* Other party reattached */
#define PRI_NOTIFY_CONF_OTHER_SPLIT 0x49 /* Other party split */
#define PRI_NOTIFY_CONF_OTHER_DISCONNECTED 0x4a /* Other party disconnected */
#define PRI_NOTIFY_CONF_FLOATING 0x4b /* Conference floating */
#define PRI_NOTIFY_WAITING_CALL 0x60 /* Call is waiting call */
#define PRI_NOTIFY_DIVERSION_ACTIVATED 0x68 /* Diversion activated (DSS1) (cfu, cfb, cfnr) (EN 300 207-1 Section 7.2.1) */
#define PRI_NOTIFY_TRANSFER_ALERTING 0x69 /* Call transfer, alerting (EN 300 369-1 Section 7.2) */
#define PRI_NOTIFY_TRANSFER_ACTIVE 0x6a /* Call transfer, active(answered) (EN 300 369-1 Section 7.2) */
#define PRI_NOTIFY_REMOTE_HOLD 0x79 /* Remote hold */
#define PRI_NOTIFY_REMOTE_RETRIEVAL 0x7a /* Remote retrieval */
#define PRI_NOTIFY_CALL_DIVERTING 0x7b /* Call is diverting (EN 300 207-1 Section 7.2.1) */
#define PRI_COPY_DIGITS_CALLED_NUMBER
/* Network Specific Facilities (AT&T) */
#define PRI_NSF_NONE -1
#define PRI_NSF_SID_PREFERRED 0xB1
#define PRI_NSF_ANI_PREFERRED 0xB2
#define PRI_NSF_SID_ONLY 0xB3
#define PRI_NSF_ANI_ONLY 0xB4
#define PRI_NSF_CALL_ASSOC_TSC 0xB9
#define PRI_NSF_NOTIF_CATSC_CLEARING 0xBA
#define PRI_NSF_OPERATOR 0xB5
#define PRI_NSF_PCCO 0xB6
#define PRI_NSF_SDN 0xE1
#define PRI_NSF_TOLL_FREE_MEGACOM 0xE2
#define PRI_NSF_MEGACOM 0xE3
#define PRI_NSF_ACCUNET 0xE6
#define PRI_NSF_LONG_DISTANCE_SERVICE 0xE7
#define PRI_NSF_INTERNATIONAL_TOLL_FREE 0xE8
#define PRI_NSF_ATT_MULTIQUEST 0xF0
#define PRI_NSF_CALL_REDIRECTION_SERVICE 0xF7
typedef struct q931_call q931_call;
/* Name character set enumeration values */
#define PRI_CHAR_SET_UNKNOWN 0
#define PRI_CHAR_SET_ISO8859_1 1
#define PRI_CHAR_SET_WITHDRAWN 2
#define PRI_CHAR_SET_ISO8859_2 3
#define PRI_CHAR_SET_ISO8859_3 4
#define PRI_CHAR_SET_ISO8859_4 5
#define PRI_CHAR_SET_ISO8859_5 6
#define PRI_CHAR_SET_ISO8859_7 7
#define PRI_CHAR_SET_ISO10646_BMPSTRING 8
#define PRI_CHAR_SET_ISO10646_UTF_8STRING 9
/*! \brief Q.SIG name information. */
struct pri_party_name {
/*! \brief TRUE if the name information is valid/present */
int valid;
/*!
* \brief Q.931 presentation-indicator encoded field
* \note Must tollerate the Q.931 screening-indicator field values being present.
*/
int presentation;
/*!
* \brief Character set the name is using.
* \details
* unknown(0),
* iso8859-1(1),
* enum-value-withdrawn-by-ITU-T(2)
* iso8859-2(3),
* iso8859-3(4),
* iso8859-4(5),
* iso8859-5(6),
* iso8859-7(7),
* iso10646-BmpString(8),
* iso10646-utf-8String(9)
* \details
* Set to iso8859-1(1) if unsure what to use.
*/
int char_set;
/*! \brief Name data with null terminator. */
char str[64];
};
struct pri_party_number {
/*! \brief TRUE if the number information is valid/present */
int valid;
/*! \brief Q.931 presentation-indicator and screening-indicator encoded fields */
int presentation;
/*! \brief Q.931 Type-Of-Number and numbering-plan encoded fields */
int plan;
/*! \brief Number data with null terminator. */
char str[64];
};
/*!
* \note This structure is a place holder for possible future subaddress support
* to maintain ABI compatibility.
*/
struct pri_party_subaddress {
/*! \brief TRUE if the subaddress information is valid/present */
int valid;
/*!
* \brief Subaddress type.
* \details
* nsap(0),
* user_specified(2)
*/
int type;
/*!
* \brief TRUE if odd number of address signals
* \note The odd/even indicator is used when the type of subaddress is
* user_specified and the coding is BCD.
*/
int odd_even_indicator;
/*! \brief Length of the subaddress data */
int length;
/*!
* \brief Subaddress data with null terminator.
* \note The null terminator is a convenience only since the data could be
* BCD/binary and thus have a null byte as part of the contents.
*/
unsigned char data[32];
};
/*! \brief Addressing information needed to identify an endpoint in a call. */
struct pri_party_address {
/*! \brief Subscriber phone number */
struct pri_party_number number;
/*! \brief Subscriber subaddress */
struct pri_party_subaddress subaddress;
};
/*! \brief Information needed to identify an endpoint in a call. */
struct pri_party_id {
/*! \brief Subscriber name */
struct pri_party_name name;
/*! \brief Subscriber phone number */
struct pri_party_number number;
/*! \brief Subscriber subaddress */
struct pri_party_subaddress subaddress;
};
/*! \brief Connected Line/Party information */
struct pri_party_connected_line {
/*! Connected party ID */
struct pri_party_id id;
};
/*!
* \brief Redirecting Line information.
* \details
* RDNIS (Redirecting Directory Number Information Service)
* Where a call diversion or transfer was invoked.
*/
struct pri_party_redirecting {
/*! Who is redirecting the call (Sent to the party the call is redirected toward) */
struct pri_party_id from;
/*! Call is redirecting to a new party (Sent to the caller) */
struct pri_party_id to;
/*! Originally called party (in cases of multiple redirects) */
struct pri_party_id orig_called;
/*! Number of times the call was redirected */
int count;
/*! Original reason for redirect (in cases of multiple redirects) */
int orig_reason;
/*! Redirection reason */
int reason;
};
/*!
* \brief Information for rerouting/deflecting the call.
*/
struct pri_rerouting_data {
/*!
* \brief Updated caller-id information.
* \note The information may have been altered by procedure in the private network.
*/
struct pri_party_id caller;
/*!
* \note
* deflection.to is the new called number and must always be present.
*/
struct pri_party_redirecting deflection;
/*!
* \brief Diverting user subscription option to specify if caller is notified.
* \details
* noNotification(0),
* notificationWithoutDivertedToNr(1),
* notificationWithDivertedToNr(2),
* notApplicable(3) (Status only.)
*/
int subscription_option;
/*! Invocation ID to use when sending a reply to the call rerouting/deflection request. */
int invoke_id;
};
/*
* NOTE:
* The code surrounded by STATUS_REQUEST_PLACE_HOLDER is not implemented.
* The STATUS_REQUEST_PLACE_HOLDER code will be made unconditional if support
* for the messages is ever needed (and gets written).
*/
/* Subcommands derived from supplementary services. */
#define PRI_SUBCMD_REDIRECTING 1 /*!< Redirecting information update */
#define PRI_SUBCMD_CONNECTED_LINE 2 /*!< Connected line information update */
#define PRI_SUBCMD_REROUTING 3 /*!< CallRerouting/CallDeflection received. */
#if defined(STATUS_REQUEST_PLACE_HOLDER)
#define PRI_SUBCMD_STATUS_REQ 4 /*!< Determine the status of the given party. */
#define PRI_SUBCMD_STATUS_REQ_RSP 5 /*!< Status request response */
#endif /* defined(STATUS_REQUEST_PLACE_HOLDER) */
#define PRI_SUBCMD_CC_AVAILABLE 6 /*!< Indicate that CC is available */
#define PRI_SUBCMD_CC_REQ 7 /*!< CC activation request */
#define PRI_SUBCMD_CC_REQ_RSP 8 /*!< CC activation request response */
#define PRI_SUBCMD_CC_REMOTE_USER_FREE 9 /*!< Indicate that CC party B is available, party A is considered free. */
#define PRI_SUBCMD_CC_B_FREE 10 /*!< Indicate that CC party B is available, party A is considered busy. */
#define PRI_SUBCMD_CC_STATUS_REQ 11 /*!< Request/prod to receive updates of CC party A status */
#define PRI_SUBCMD_CC_STATUS_REQ_RSP 12 /*!< Requested update of CC party A status */
#define PRI_SUBCMD_CC_STATUS 13 /*!< Unsolicited update of CC party A status */
#define PRI_SUBCMD_CC_CALL 14 /*!< Indicate that this call is a CC callback */
#define PRI_SUBCMD_CC_CANCEL 15 /*!< Unsolicited indication that CC is canceled */
#define PRI_SUBCMD_CC_STOP_ALERTING 16 /*!< Indicate that someone else has responed to remote user free */
#define PRI_SUBCMD_TRANSFER_CALL 17 /*!< Request to transfer the specified calls together. */
#define PRI_SUBCMD_AOC_S 18 /*!< Advice Of Charge Start information (Rate list) */
#define PRI_SUBCMD_AOC_D 19 /*!< Advice Of Charge During information */
#define PRI_SUBCMD_AOC_E 20 /*!< Advice Of Charge End information */
#define PRI_SUBCMD_AOC_CHARGING_REQ 21 /*!< Advice Of Charge Request information */
#define PRI_SUBCMD_AOC_CHARGING_REQ_RSP 22 /*!< Advice Of Charge Request Response information */
#define PRI_SUBCMD_MCID_REQ 23 /*!< Malicious Call ID Request */
#define PRI_SUBCMD_MCID_RSP 24 /*!< Malicious Call ID Request response */
#define PRI_SUBCMD_DISPLAY_TEXT 25 /*!< Received display ie text */
#if defined(STATUS_REQUEST_PLACE_HOLDER)
struct pri_subcmd_status_request {
/*!
* \brief Invoke id in case there are multiple outstanding requests.
* \note Used to match any responses with the original invoke in case
* there are several requests active.
*/
int invoke_id;
/*! \brief Party address requesting status about. */
struct pri_party_address party;
};
#endif /* defined(STATUS_REQUEST_PLACE_HOLDER) */
#if defined(STATUS_REQUEST_PLACE_HOLDER)
struct pri_subcmd_status_request_rsp {
/*!
* \brief Request id in case there are multiple outstanding requests.
* \note Used to match any responses with the request in case there
* are several requests active.
*/
int request_id;
/*!
* \brief Response status to the status request.
* \details
* free(0),
* busy(1),
* incompatible(2)
* timeout(3),
*/
int status;
};
#endif /* defined(STATUS_REQUEST_PLACE_HOLDER) */
struct pri_subcmd_cc_id {
/*! \brief Call-Completion record id */
long cc_id;
};
struct pri_subcmd_cc_request {
/*! \brief Call-Completion record id */
long cc_id;
/*!
* \brief Mode of call-completion requested.
* \details
* ccbs(0),
* ccnr(1)
*/
int mode;
};
struct pri_subcmd_cc_request_rsp {
/*! \brief Call-Completion record id */
long cc_id;
/*!
* \brief Status of the requested call-completion activation.
* \details
* success(0),
* timeout(1),
* error(2),
* reject(3)
*/
int status;
/*!
* \brief Failure code that can be converted to a string to further
* explain the non-timeout failure.
* \note Valid when status is error or reject.
* \note Use pri_facility_error2str() to convert the error_code.
* \note Use pri_facility_reject2str() to convert the reject_code.
*/
int fail_code;
};
struct pri_subcmd_cc_status {
/*! \brief Call-Completion record id */
long cc_id;
/*!
* \brief Party A status.
* \details
* free(0),
* busy(1)
*/
int status;
};
struct pri_subcmd_cc_cancel {
/*! \brief Call-Completion record id */
long cc_id;
/*!
* \brief TRUE if the cc_id is for an agent.
* \note This is a convenience value so the upper layer can know which
* list it should search for the cc_id.
*/
int is_agent;
};
struct pri_subcmd_transfer {
/*! \brief Opaque call pointer for transfer with other call. */
q931_call *call_1;
/*! \brief Opaque call pointer for transfer with other call. */
q931_call *call_2;
/*! TRUE if call_1 is on hold. */
int is_call_1_held;
/*! TRUE if call_2 is on hold. */
int is_call_2_held;
/*! Invocation ID to use when sending a reply to the transfer request. */
int invoke_id;
};
/*! \brief What is being charged. */
enum PRI_AOC_CHARGED_ITEM {
PRI_AOC_CHARGED_ITEM_NOT_AVAILABLE,
PRI_AOC_CHARGED_ITEM_SPECIAL_ARRANGEMENT,
PRI_AOC_CHARGED_ITEM_BASIC_COMMUNICATION,
PRI_AOC_CHARGED_ITEM_CALL_ATTEMPT,
PRI_AOC_CHARGED_ITEM_CALL_SETUP,
PRI_AOC_CHARGED_ITEM_USER_USER_INFO,
PRI_AOC_CHARGED_ITEM_SUPPLEMENTARY_SERVICE,
};
/*! \brief Rate method being used. */
enum PRI_AOC_RATE_TYPE {
PRI_AOC_RATE_TYPE_NOT_AVAILABLE,
PRI_AOC_RATE_TYPE_FREE,
PRI_AOC_RATE_TYPE_FREE_FROM_BEGINNING,
PRI_AOC_RATE_TYPE_DURATION,
PRI_AOC_RATE_TYPE_FLAT,
PRI_AOC_RATE_TYPE_VOLUME,
PRI_AOC_RATE_TYPE_SPECIAL_CODE,
};
enum PRI_AOC_TIME_SCALE {
PRI_AOC_TIME_SCALE_HUNDREDTH_SECOND,
PRI_AOC_TIME_SCALE_TENTH_SECOND,
PRI_AOC_TIME_SCALE_SECOND,
PRI_AOC_TIME_SCALE_TEN_SECOND,
PRI_AOC_TIME_SCALE_MINUTE,
PRI_AOC_TIME_SCALE_HOUR,
PRI_AOC_TIME_SCALE_DAY,
};
struct pri_aoc_time {
/*! LengthOfTimeUnit (Not valid if length is zero.) */
long length;
/*! \see enum PRI_AOC_TIME_SCALE */
int scale;
};
enum PRI_AOC_MULTIPLIER {
PRI_AOC_MULTIPLIER_THOUSANDTH,
PRI_AOC_MULTIPLIER_HUNDREDTH,
PRI_AOC_MULTIPLIER_TENTH,
PRI_AOC_MULTIPLIER_ONE,
PRI_AOC_MULTIPLIER_TEN,
PRI_AOC_MULTIPLIER_HUNDRED,
PRI_AOC_MULTIPLIER_THOUSAND,
};
struct pri_aoc_amount {
long cost;
/*! \see enum PRI_AOC_MULTIPLIER */
int multiplier;
};
struct pri_aoc_duration {
struct pri_aoc_amount amount;
struct pri_aoc_time time;
/*! Not present if the granularity time is zero. */
struct pri_aoc_time granularity;
/*!
* \brief Charging interval type
* \details
* continuousCharging(0),
* stepFunction(1)
*/
int charging_type;
/*! Name of currency involved. Null terminated. */
char currency[10 + 1];
};
struct pri_aoc_flat {
struct pri_aoc_amount amount;
/*! Name of currency involved. Null terminated. */
char currency[10 + 1];
};
enum PRI_AOC_VOLUME_UNIT {
PRI_AOC_VOLUME_UNIT_OCTET,
PRI_AOC_VOLUME_UNIT_SEGMENT,
PRI_AOC_VOLUME_UNIT_MESSAGE,
};
struct pri_aoc_volume {
struct pri_aoc_amount amount;
/*! \see enum PRI_AOC_VOLUME_UNIT */
int unit;
/*! Name of currency involved. Null terminated. */
char currency[10 + 1];
};
struct pri_aoc_s_element {
/*!
* \brief What is being charged.
* \see enum PRI_AOC_CHARGED_ITEM
*/
int chargeable;
/*!
* \brief Rate method being used.
* \see enum PRI_AOC_RATE_TYPE
*/
int rate_type;
/*! \brief Charge rate being applied. */
union {
struct pri_aoc_duration duration;
struct pri_aoc_flat flat;
struct pri_aoc_volume volume;
int special;
} rate;
};
struct pri_subcmd_aoc_s {
/*!
* \brief Number of items in the rate list.
* \note If the list is empty then the charging information is not available.
*/
int num_items;
struct pri_aoc_s_element item[10];
};
enum PRI_AOC_DE_CHARGE {
PRI_AOC_DE_CHARGE_NOT_AVAILABLE,
PRI_AOC_DE_CHARGE_FREE,
PRI_AOC_DE_CHARGE_CURRENCY,
PRI_AOC_DE_CHARGE_UNITS,
};
struct pri_aoc_recorded_currency {
struct pri_aoc_amount amount;
/*! Name of currency involved. Null terminated. */
char currency[10 + 1];
};
struct pri_aoc_units_element {
/*! Number of units recorded. -1 if not available. */
long number;
/*! Type of unit recorded. -1 if not available. */
int type;
};
struct pri_aoc_recorded_units {
int num_items;
struct pri_aoc_units_element item[32];
};
enum PRI_AOC_D_BILLING_ID {
PRI_AOC_D_BILLING_ID_NOT_AVAILABLE,
PRI_AOC_D_BILLING_ID_NORMAL,
PRI_AOC_D_BILLING_ID_REVERSE,
PRI_AOC_D_BILLING_ID_CREDIT_CARD,
};
struct pri_subcmd_aoc_d {
/*!
* \brief What is being charged.
* \see enum PRI_AOC_DE_CHARGE
*/
int charge;
/*!
* \brief Billing accumulation
* \details
* subTotal(0),
* total(1)
*/
int billing_accumulation;
/*! \see enum PRI_AOC_D_BILLING_ID */
int billing_id;
union {
/*! Recorded currency */
struct pri_aoc_recorded_currency money;
/*! Recorded units list */
struct pri_aoc_recorded_units unit;
} recorded;
};
enum PRI_AOC_E_BILLING_ID {
PRI_AOC_E_BILLING_ID_NOT_AVAILABLE,
PRI_AOC_E_BILLING_ID_NORMAL,
PRI_AOC_E_BILLING_ID_REVERSE,
PRI_AOC_E_BILLING_ID_CREDIT_CARD,
PRI_AOC_E_BILLING_ID_CALL_FORWARDING_UNCONDITIONAL,
PRI_AOC_E_BILLING_ID_CALL_FORWARDING_BUSY,
PRI_AOC_E_BILLING_ID_CALL_FORWARDING_NO_REPLY,
PRI_AOC_E_BILLING_ID_CALL_DEFLECTION,
PRI_AOC_E_BILLING_ID_CALL_TRANSFER,
};
enum PRI_AOC_E_CHARGING_ASSOCIATION {
PRI_AOC_E_CHARGING_ASSOCIATION_NOT_AVAILABLE,
PRI_AOC_E_CHARGING_ASSOCIATION_NUMBER,
PRI_AOC_E_CHARGING_ASSOCIATION_ID,
};
struct pri_aoc_e_charging_association {
union {
/*! Charged number */
struct pri_party_number number;
/*! Charge identifier */
int id;
} charge;
/*! \see enum PRI_AOC_E_CHARGING_ASSOCIATION */
int charging_type;
};
struct pri_subcmd_aoc_e {
/*!
* \brief What is being charged.
* \see enum PRI_AOC_DE_CHARGE
*/
int charge;
/*! \see enum PRI_AOC_E_BILLING_ID */
int billing_id;
union {
/*! Recorded currency */
struct pri_aoc_recorded_currency money;
/*! Recorded units list */
struct pri_aoc_recorded_units unit;
} recorded;
/*! Charging association. */
struct pri_aoc_e_charging_association associated;
};
enum PRI_AOC_REQ_RSP {
/* Error Results */
PRI_AOC_REQ_RSP_ERROR_NOT_IMPLEMENTED,
PRI_AOC_REQ_RSP_ERROR_NOT_AVAILABLE,
PRI_AOC_REQ_RSP_ERROR_TIMEOUT,
PRI_AOC_REQ_RSP_ERROR_REJECT,
/* generic error result all other errors are lumped into */
PRI_AOC_REQ_RSP_ERROR,
/* AOC Results */
PRI_AOC_REQ_RSP_CHARGING_INFO_FOLLOWS,
PRI_AOC_REQ_RSP_CURRENCY_INFO_LIST,
PRI_AOC_REQ_RSP_SPECIAL_ARR,
};
enum PRI_AOC_REQUEST {
PRI_AOC_REQUEST_S = (1 << 0),
PRI_AOC_REQUEST_D = (1 << 1),
PRI_AOC_REQUEST_E = (1 << 2),
};
struct pri_subcmd_aoc_request_response {
/*!
* \brief aoc_s data from response
*/
struct pri_subcmd_aoc_s aoc_s;
/*!
* \brief if the aoc_s msg is present, this will be set
*/
int valid_aoc_s;
/*!
* \brief What type of aoc was requested.
* \see enum PRI_AOC_REQUEST
*/
int charging_request;
/*!
* \brief response to the charging_request
* \see enum PRI_AOC_REQ_RSP
*/
int charging_response;
};
struct pri_subcmd_aoc_request {
/*!
* \brief What types of aoc are being requested.
* \see enum PRI_AOC_REQUEST
*/
int charging_request;
/*!
* \brief Value given by the initiating request.
*/
int invoke_id;
};
struct pri_subcmd_mcid_req {
/*!
* \brief Information libpri knows about the malicious caller.
* \note For the convenience of the upper layer. This information
* may be incomplete if the upper layer redacted some caller
* information because it was restricted.
*/
struct pri_party_id originator;
/*! \brief Information libpri knows about the callee. */
struct pri_party_id answerer;
};
struct pri_subcmd_mcid_rsp {
/*!
* \brief MCID request response status.
* \details
* success(0),
* timeout(1),
* error(2),
* reject(3)
*/
int status;
/*!
* \brief Failure code that can be converted to a string to further
* explain the non-timeout failure.
* \note Valid when status is error or reject.
* \note Use pri_facility_error2str() to convert the error_code.
* \note Use pri_facility_reject2str() to convert the reject_code.
*/
int fail_code;
};
struct pri_subcmd_display_txt {
/*!
* \brief Character set the text is using.
* \details
* unknown(0),
* iso8859-1(1),
* enum-value-withdrawn-by-ITU-T(2)
* iso8859-2(3),
* iso8859-3(4),
* iso8859-4(5),
* iso8859-5(6),
* iso8859-7(7),
* iso10646-BmpString(8),
* iso10646-utf-8String(9)
*/
int char_set;
/*!
* \brief Number of octets in the display message.
* \note Not including any added null terminator.
*/
int length;
/*!
* \brief Display text data.
* \note Null terminated on receive.
* \note Does not need to be null terminated on send.
*/
char text[128];
};
struct pri_subcommand {
/*! PRI_SUBCMD_xxx defined values */
int cmd;
union {
/*! Reserve room for possible expansion to maintain ABI compatibility. */
char reserve_space[512];
struct pri_party_connected_line connected_line;
struct pri_party_redirecting redirecting;
struct pri_rerouting_data rerouting;
#if defined(STATUS_REQUEST_PLACE_HOLDER)
struct pri_subcmd_status_request status_request;
struct pri_subcmd_status_request_rsp status_request_rsp;
#endif /* defined(STATUS_REQUEST_PLACE_HOLDER) */
struct pri_subcmd_cc_id cc_available;
struct pri_subcmd_cc_request cc_request;
struct pri_subcmd_cc_request_rsp cc_request_rsp;
struct pri_subcmd_cc_id cc_remote_user_free;
struct pri_subcmd_cc_id cc_b_free;
struct pri_subcmd_cc_id cc_stop_alerting;
struct pri_subcmd_cc_id cc_status_req;
struct pri_subcmd_cc_status cc_status_req_rsp;
struct pri_subcmd_cc_status cc_status;
struct pri_subcmd_cc_id cc_call;
struct pri_subcmd_cc_cancel cc_cancel;
struct pri_subcmd_transfer transfer;
struct pri_subcmd_aoc_request aoc_request;
struct pri_subcmd_aoc_request_response aoc_request_response;
struct pri_subcmd_aoc_s aoc_s;
struct pri_subcmd_aoc_d aoc_d;
struct pri_subcmd_aoc_e aoc_e;
struct pri_subcmd_mcid_req mcid_req;
struct pri_subcmd_mcid_rsp mcid_rsp;
struct pri_subcmd_display_txt display;
} u;
};
/* Max number of subcommands per event message */
#define PRI_MAX_SUBCOMMANDS 8
struct pri_subcommands {
int counter_subcmd;
struct pri_subcommand subcmd[PRI_MAX_SUBCOMMANDS];
};
/*
* Event channel parameter encoding:
* 3322 2222 2222 1111 1111 1100 0000 0000
* 1098 7654 3210 9876 5432 1098 7654 3210
* xxxx xxxx xxxx xEDC BBBBBBBBB AAAAAAAAA
*
* Bit field
* A - B channel
* B - Span (DS1) (0 - 127)
* C - DS1 Explicit bit
* D - D channel (cis_call) bit (status only)
* E - Call is held bit (status only)
*
* B channel values:
* 0 - No channel (ISDN uses for call waiting feature)
* 1-127 - B channel #
* 0xFF - Any channel (Also if whole channel value is -1 in event)
*/
typedef struct pri_event_generic {
/* Events with no additional information fall in this category */
int e;
} pri_event_generic;
typedef struct pri_event_error {
int e;
char err[256];
} pri_event_error;
typedef struct pri_event_restart {
int e;
int channel;
} pri_event_restart;
typedef struct pri_event_ringing {
int e;
int channel;
int cref;
int progress;
int progressmask;
q931_call *call;
char useruserinfo[260]; /* User->User info */
struct pri_subcommands *subcmds;
} pri_event_ringing;
typedef struct pri_event_answer {
int e;
int channel;
int cref;
int progress;
int progressmask;
q931_call *call;
char useruserinfo[260]; /* User->User info */
struct pri_subcommands *subcmds;
} pri_event_answer;
/*! Deprecated replaced by struct pri_event_facility. */
typedef struct pri_event_facname {
int e;
char callingname[256];
char callingnum[256];
int channel;
int cref;
q931_call *call;
int callingpres; /* Presentation of Calling CallerID */
int callingplan; /* Dialing plan of Calling entity */
} pri_event_facname;
struct pri_event_facility {
int e;
char callingname[256]; /*!< Deprecated, preserved for struct pri_event_facname compatibility */
char callingnum[256]; /*!< Deprecated, preserved for struct pri_event_facname compatibility */
int channel;
int cref;
/*!
* \brief Master call or normal call.
* \note Call pointer known about by upper layer.
* \note NULL if dummy call reference.
*/
q931_call *call;
int callingpres; /*!< Presentation of Calling CallerID (Deprecated, preserved for struct pri_event_facname compatibility) */
int callingplan; /*!< Dialing plan of Calling entity (Deprecated, preserved for struct pri_event_facname compatibility) */
struct pri_subcommands *subcmds;
q931_call *subcall; /*!< Subcall to send any reply toward. */
};
#define PRI_CALLINGPLANANI
#define PRI_CALLINGPLANRDNIS
typedef struct pri_event_ring {
int e;
int channel; /* Channel requested */
int callingpres; /* Presentation of Calling CallerID */
int callingplanani; /* Dialing plan of Calling entity ANI */
int callingplan; /* Dialing plan of Calling entity */
char callingani[256]; /* Calling ANI */
char callingnum[256]; /* Calling number */
char callingname[256]; /* Calling name (if provided) */
int calledplan; /* Dialing plan of Called number */
int ani2; /* ANI II */
char callednum[256]; /* Called number */
char redirectingnum[256]; /* Redirecting number */
char redirectingname[256]; /* Redirecting name */
int redirectingreason; /* Reason for redirect */
int callingplanrdnis; /* Dialing plan of Redirecting Number */
char useruserinfo[260]; /* User->User info */
int flexible; /* Are we flexible with our channel selection? */
int cref; /* Call Reference Number */
int ctype; /* Call type (see PRI_TRANS_CAP_* */
int layer1; /* User layer 1 */
int complete; /* Have we seen "Complete" i.e. no more number? */
q931_call *call; /* Opaque call pointer */
char callingsubaddr[256]; /* Calling parties subaddress, backwards compatibility */
int progress;
int progressmask;
char origcalledname[256];
char origcallednum[256];
int callingplanorigcalled; /* Dialing plan of Originally Called Number */
int origredirectingreason;
int reversecharge;
struct pri_subcommands *subcmds;
struct pri_party_id calling; /* Calling Party's info, initially subaddress' */
struct pri_party_subaddress called_subaddress; /* Called party's subaddress */
char keypad_digits[64]; /* Keypad digits in the SETUP message. */
} pri_event_ring;
typedef struct pri_event_hangup {
int e;
int channel; /* Channel requested */
int cause;
int cref;
q931_call *call; /* Opaque call pointer of call hanging up. */
long aoc_units; /* Advice of Charge number of charged units */
char useruserinfo[260]; /* User->User info */
struct pri_subcommands *subcmds;
/*!
* \brief Opaque held call pointer for possible transfer to active call.
* \note The call_held and call_active pointers must not be NULL if
* transfer held call on disconnect is available.
*/
q931_call *call_held;
/*!
* \brief Opaque active call pointer for possible transfer with held call.
* \note The call_held and call_active pointers must not be NULL if
* transfer held call on disconnect is available.
*/
q931_call *call_active;
} pri_event_hangup;
typedef struct pri_event_restart_ack {
int e;
int channel;
} pri_event_restart_ack;
#define PRI_PROGRESS_CAUSE
typedef struct pri_event_proceeding {
int e;
int channel;
int cref;
int progress;
int progressmask;
int cause;
q931_call *call;
struct pri_subcommands *subcmds;
} pri_event_proceeding;
typedef struct pri_event_setup_ack {
int e;
int channel;
q931_call *call;
struct pri_subcommands *subcmds;
int progressmask;
} pri_event_setup_ack;
typedef struct pri_event_notify {
int e;
int channel;
int info;
struct pri_subcommands *subcmds;
q931_call *call;
} pri_event_notify;
typedef struct pri_event_keypad_digit {
int e;
int channel;
q931_call *call;
char digits[64];
struct pri_subcommands *subcmds;
} pri_event_keypad_digit;
typedef struct pri_event_service {
int e;
int channel;
int changestatus;
} pri_event_service;
typedef struct pri_event_service_ack {
int e;
int channel;
int changestatus;
} pri_event_service_ack;
struct pri_event_hold {
int e;
int channel;
q931_call *call;
struct pri_subcommands *subcmds;
};
struct pri_event_hold_ack {
int e;
int channel;
q931_call *call;
struct pri_subcommands *subcmds;
};
struct pri_event_hold_rej {
int e;
int channel;
q931_call *call;
int cause;
struct pri_subcommands *subcmds;
};
struct pri_event_retrieve {
int e;
int channel;
q931_call *call;
int flexible; /* Are we flexible with our channel selection? */
struct pri_subcommands *subcmds;
};
struct pri_event_retrieve_ack {
int e;
int channel;
q931_call *call;
struct pri_subcommands *subcmds;
};
struct pri_event_retrieve_rej {
int e;
int channel;
q931_call *call;
int cause;
struct pri_subcommands *subcmds;
};
struct pri_event_connect_ack {
int e;
int channel;
q931_call *call;
struct pri_subcommands *subcmds;
};
typedef union {
int e;
pri_event_generic gen; /* Generic view */
pri_event_restart restart; /* Restart view */
pri_event_error err; /* Error view */
pri_event_facname facname; /* Caller*ID Name on Facility (Deprecated, use pri_event.facility) */
pri_event_ring ring; /* Ring */
pri_event_hangup hangup; /* Hang up */
pri_event_ringing ringing; /* Ringing */
pri_event_answer answer; /* Answer */
pri_event_restart_ack restartack; /* Restart Acknowledge */
pri_event_proceeding proceeding; /* Call proceeding & Progress */
pri_event_setup_ack setup_ack; /* SETUP_ACKNOWLEDGE structure */
pri_event_notify notify; /* Notification */
pri_event_keypad_digit digit; /* Digits that come during a call */
pri_event_service service; /* service message */
pri_event_service_ack service_ack; /* service acknowledgement message */
struct pri_event_facility facility;
struct pri_event_hold hold;
struct pri_event_hold_ack hold_ack;
struct pri_event_hold_rej hold_rej;
struct pri_event_retrieve retrieve;
struct pri_event_retrieve_ack retrieve_ack;
struct pri_event_retrieve_rej retrieve_rej;
struct pri_event_connect_ack connect_ack;
} pri_event;
struct pri;
struct pri_sr;
#define PRI_IO_FUNCS
/* Type declaration for callbacks to read or write a HDLC frame as below */
typedef int (*pri_io_cb)(struct pri *pri, void *buf, int buflen);
/* Create a D-channel on a given file descriptor. The file descriptor must be a
channel operating in HDLC mode with FCS computed by the fd's driver. Also it
must be NON-BLOCKING! Frames received on the fd should include FCS. Nodetype
must be one of PRI_NETWORK or PRI_CPE. switchtype should be PRI_SWITCH_* */
struct pri *pri_new(int fd, int nodetype, int switchtype);
struct pri *pri_new_bri(int fd, int ptpmode, int nodetype, int switchtype);
/* Create D-channel just as above with user defined I/O callbacks and data */
struct pri *pri_new_cb(int fd, int nodetype, int switchtype, pri_io_cb io_read, pri_io_cb io_write, void *userdata);
/* Create BRI D-channel just as above with user defined I/O callbacks and data */
struct pri *pri_new_bri_cb(int fd, int ptpmode, int nodetype, int switchtype, pri_io_cb io_read, pri_io_cb io_write, void *userdata);
/* Retrieve the user data associated with the D channel */
void *pri_get_userdata(struct pri *pri);
/* Set the user data associated with the D channel */
void pri_set_userdata(struct pri *pri, void *userdata);
/* Set Network Specific Facility for PRI */
void pri_set_nsf(struct pri *pri, int nsf);
/* Set debug parameters on PRI -- see above debug definitions */
void pri_set_debug(struct pri *pri, int debug);
/* Get debug parameters on PRI -- see above debug definitions */
int pri_get_debug(struct pri *pri);
#define PRI_FACILITY_ENABLE
/* Enable transmission support of Facility IEs on the pri */
void pri_facility_enable(struct pri *pri);
/* Run PRI on the given D-channel, taking care of any events that
need to be handled. If block is set, it will block until an event
occurs which needs to be handled */
pri_event *pri_dchannel_run(struct pri *pri, int block);
/* Check for an outstanding event on the PRI */
pri_event *pri_check_event(struct pri *pri);
/* Give a name to a given event ID */
char *pri_event2str(int id);
/* Give a name to a node type */
char *pri_node2str(int id);
/* Give a name to a switch type */
char *pri_switch2str(int id);
/* Print an event */
void pri_dump_event(struct pri *pri, pri_event *e);
/* Turn presentation into a string */
char *pri_pres2str(int pres);
/* Turn numbering plan into a string */
char *pri_plan2str(int plan);
/* Turn cause into a string */
char *pri_cause2str(int cause);
/*!
* \brief Convert the given facility error code to a descriptive string.
*
* \param facility_error_code Error code to convert to a string.
*
* \return Descriptive error string.
*/
const char *pri_facility_error2str(int facility_error_code);
/*!
* \brief Convert the given facility reject code to a descriptive string.
*
* \param facility_reject_code Error code to convert to a string.
*
* \return Descriptive reject string.
*/
const char *pri_facility_reject2str(int facility_reject_code);
/*!
* \brief Send the ALERTING message.
*
* \param pri D channel controller.
* \param call Q.931 call leg.
* \param channel Encoded channel id to use. If zero do not change channel id.
* \param info Nonzero to include a progress ie indicating inband audio available (ie ringback).
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_acknowledge(struct pri *pri, q931_call *call, int channel, int info);
/* Send a digit in overlap mode */
int pri_information(struct pri *pri, q931_call *call, char digit);
#define PRI_KEYPAD_FACILITY_TX
/* Send a keypad facility string of digits */
int pri_keypad_facility(struct pri *pri, q931_call *call, const char *digits);
/*!
* \brief Send the SETUP_ACKNOWLEDGE message.
*
* \param pri D channel controller.
* \param call Q.931 call leg.
* \param channel Encoded channel id to use. If zero do not change channel id.
* \param nonisdn Nonzero to include a progress ie indicating non-end-to-end-ISDN.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_need_more_info(struct pri *pri, q931_call *call, int channel, int nonisdn);
/*!
* \brief Send the SETUP_ACKNOWLEDGE message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param channel Encoded channel id to use. If zero do not change channel id.
* \param nonisdn Nonzero to include a progress ie indicating non-end-to-end-ISDN.
* \param inband Nonzero to include a progress ie indicating inband audio available (ie dialtone).
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_setup_ack(struct pri *ctrl, q931_call *call, int channel, int nonisdn, int inband);
/*!
* \brief Send the CONNECT message.
*
* \param pri D channel controller.
* \param call Q.931 call leg.
* \param channel Encoded channel id to use. If zero do not change channel id.
* \param nonisdn Nonzero to include a progress ie indicating non-end-to-end-ISDN.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn);
/*!
* \brief Send the manual CONNECT_ACKNOWLEDGE message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param channel Selected channel to assign to the call waiting call.
* Zero if do not include the channel id ie in the CONNECT_ACKNOWLEDGE message.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_connect_ack(struct pri *ctrl, q931_call *call, int channel);
/*!
* \brief Set the manual CONNECT_ACKNOWLEDGE message enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable manual CONNECT_ACKNOWLEDGE message feature.
*
* \return Nothing
*/
void pri_connect_ack_enable(struct pri *ctrl, int enable);
/*!
* \brief Give connected line information to a call
* \note Could be used instead of pri_sr_set_caller_party() before calling pri_setup().
*/
int pri_connected_line_update(struct pri *pri, q931_call *call, const struct pri_party_connected_line *connected);
/*!
* \brief Give redirection information to a call
* \note Could be used instead of pri_sr_set_redirecting_parties() before calling pri_setup().
*/
int pri_redirecting_update(struct pri *pri, q931_call *call, const struct pri_party_redirecting *redirecting);
/* Set CRV reference for GR-303 calls */
#undef pri_release
#undef pri_disconnect
/* backwards compatibility for those who don't use asterisk with libpri */
#define pri_release(a,b,c) \
pri_hangup(a,b,c)
#define pri_disconnect(a,b,c) \
pri_hangup(a,b,c)
/* Hangup a call */
#define PRI_HANGUP
int pri_hangup(struct pri *pri, q931_call *call, int cause);
/*!
* \brief Set the call hangup fix enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to follow Q.931 Section 5.3.2 call hangup better.
* FALSE for legacy behaviour. (Default FALSE if not called.)
*
* \return Nothing
*/
void pri_hangup_fix_enable(struct pri *ctrl, int enable);
#define PRI_DESTROYCALL
void pri_destroycall(struct pri *pri, q931_call *call);
#define PRI_RESTART
int pri_restart(struct pri *pri);
int pri_reset(struct pri *pri, int channel);
/* handle b-channel maintenance messages */
extern int pri_maintenance_service(struct pri *pri, int span, int channel, int changestatus);
/* Create a new call */
q931_call *pri_new_call(struct pri *pri);
/*!
* \brief Deterimine if the given call control pointer is a dummy call.
*
* \retval TRUE if given call is a dummy call.
* \retval FALSE otherwise.
*/
int pri_is_dummy_call(q931_call *call);
/* Retrieve CRV reference for GR-303 calls. Returns >0 on success. */
int pri_get_crv(struct pri *pri, q931_call *call, int *callmode);
/* Retrieve CRV reference for GR-303 calls. CRV must be >0, call mode should be 0 */
int pri_set_crv(struct pri *pri, q931_call *call, int crv, int callmode);
/* How long until you need to poll for a new event */
struct timeval *pri_schedule_next(struct pri *pri);
/* Run any pending schedule events */
extern pri_event *pri_schedule_run(struct pri *pri);
extern pri_event *pri_schedule_run_tv(struct pri *pri, const struct timeval *now);
int pri_call(struct pri *pri, q931_call *c, int transmode, int channel,
int exclusive, int nonisdn, char *caller, int callerplan, char *callername, int callerpres,
char *called, int calledplan, int ulayer1);
struct pri_sr *pri_sr_new(void);
void pri_sr_free(struct pri_sr *sr);
int pri_sr_set_channel(struct pri_sr *sr, int channel, int exclusive, int nonisdn);
int pri_sr_set_bearer(struct pri_sr *sr, int transmode, int userl1);
int pri_sr_set_called(struct pri_sr *sr, char *called, int calledplan, int complete);
/*!
* \brief Set the caller party ID information in the call SETUP record.
*
* \param sr New call SETUP record.
* \param caller Caller party ID information to set.
*
* \return Nothing
*/
void pri_sr_set_caller_party(struct pri_sr *sr, const struct pri_party_id *caller);
/*! \note Use pri_sr_set_caller_party() instead to pass more precise caller information. */
int pri_sr_set_caller(struct pri_sr *sr, char *caller, char *callername, int callerplan, int callerpres);
/*!
* \brief Set the calling subaddress information in the call SETUP record.
*
* \param sr New call SETUP record.
* \param subaddress information to set.
*
* \return Nothing
*/
void pri_sr_set_caller_subaddress(struct pri_sr *sr, const struct pri_party_subaddress *subaddress);
/*!
* \brief Set the called subaddress information in the call SETUP record.
*
* \param sr New call SETUP record.
* \param subaddress information to set.
*
* \return Nothing
*/
void pri_sr_set_called_subaddress(struct pri_sr *sr, const struct pri_party_subaddress *subaddress);
/*!
* \brief Set the redirecting information in the call SETUP record.
*
* \param sr New call SETUP record.
* \param caller Redirecting information to set.
*
* \return Nothing
*/
void pri_sr_set_redirecting_parties(struct pri_sr *sr, const struct pri_party_redirecting *redirecting);
/*! \note Use pri_sr_set_redirecting_parties() instead to pass more precise redirecting information. */
int pri_sr_set_redirecting(struct pri_sr *sr, char *num, int plan, int pres, int reason);
/*!
* \brief Set the keypad digits in the call SETUP record.
*
* \param sr New call SETUP record.
* \param keypad_digits Keypad digits to send.
*
* \return Nothing
*/
void pri_sr_set_keypad_digits(struct pri_sr *sr, const char *keypad_digits);
#define PRI_USER_USER_TX
/* Set the user user field. Warning! don't send binary data accross this field */
void pri_sr_set_useruser(struct pri_sr *sr, const char *userchars);
void pri_sr_set_reversecharge(struct pri_sr *sr, int requested);
void pri_call_set_useruser(q931_call *sr, const char *userchars);
int pri_setup(struct pri *pri, q931_call *call, struct pri_sr *req);
/*!
* \brief Set a call as a call indpendent signalling connection (i.e. no bchan)
* \note Call will automaticlly disconnect after signalling sent.
*/
int pri_sr_set_connection_call_independent(struct pri_sr *req);
/*!
* \brief Set a call as a call indpendent signalling connection (i.e. no bchan)
* \note Call will stay connected until explicitly disconnected.
*/
int pri_sr_set_no_channel_call(struct pri_sr *req);
/* Send an MWI indication to a remote location. If activate is non zero, activates, if zero, deactivates */
int pri_mwi_activate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
/* Send an MWI deactivate request to a remote location */
int pri_mwi_deactivate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
/*!
* \brief Send a MWI indication on the specified D channel.
*
* \param ctrl D channel controller.
* \param mailbox Party receiving notification.
* \param basic_service Basic service enum (-1 if not present).
* \param num_messages NumberOfMessages (-1 if not present).
* \param caller_id Party leaving message (NULL if not present).
* \param timestamp When message left. (Generalized Time format, NULL if not present)
* \param message_reference Message reference number (-1 if not present).
* \param message_status Message status: added(0), removed(1).
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_mwi_indicate(struct pri *ctrl, const struct pri_party_id *mailbox,
int basic_service, int num_messages, const struct pri_party_id *caller_id,
const char *timestamp, int message_reference, int message_status);
/*!
* \brief Send a MWI indication on the specified D channel. (Take two)
*
* \param ctrl D channel controller.
* \param mailbox Party receiving notification.
* \param vm_id Voicemail system number (NULL if not present).
* \param basic_service Basic service enum (-1 if not present).
* \param num_messages NumberOfMessages (-1 if not present).
* \param caller_id Party leaving message (NULL if not present).
* \param timestamp When message left. (Generalized Time format, NULL if not present)
* \param message_reference Message reference number (-1 if not present).
* \param message_status Message status: added(0), removed(1).
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_mwi_indicate_v2(struct pri *ctrl, const struct pri_party_id *mailbox,
const struct pri_party_id *vm_id, int basic_service, int num_messages,
const struct pri_party_id *caller_id, const char *timestamp, int message_reference,
int message_status);
/* Set service message support flag */
int pri_set_service_message_support(struct pri *pri, int supportflag);
#define PRI_2BCT
/* Attempt to pass the channels back to the NET side if compatable and
* subscribed. Sometimes called 2 bchannel transfer (2BCT) */
int pri_channel_bridge(q931_call *call1, q931_call *call2);
/* Override message and error stuff */
#define PRI_NEW_SET_API
void pri_set_message(void (*__pri_error)(struct pri *pri, char *));
void pri_set_error(void (*__pri_error)(struct pri *pri, char *));
/* Set overlap mode */
#define PRI_SET_OVERLAPDIAL
void pri_set_overlapdial(struct pri *pri,int state);
/* QSIG logical channel mapping option, do not skip channel 16 */
#define PRI_SET_CHAN_MAPPING_LOGICAL
void pri_set_chan_mapping_logical(struct pri *pri, int state);
#define PRI_DUMP_INFO_STR
char *pri_dump_info_str(struct pri *pri);
/* Get file descriptor */
int pri_fd(struct pri *pri);
#define PRI_PROGRESS
/* Send progress */
int pri_progress(struct pri *pri, q931_call *c, int channel, int info);
/* Send progress with cause IE */
int pri_progress_with_cause(struct pri *pri, q931_call *c, int channel, int info, int cause);
#define PRI_PROCEEDING_FULL
/*!
* \brief Send the PROCEEDING message.
*
* \param pri D channel controller.
* \param c Q.931 call leg.
* \param channel Encoded channel id to use. If zero do not change channel id.
* \param info Nonzero to include a progress ie indicating inband audio available.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_proceeding(struct pri *pri, q931_call *c, int channel, int info);
/* Enable inband progress when a DISCONNECT is received */
void pri_set_inbanddisconnect(struct pri *pri, unsigned int enable);
/* Enslave a PRI to another, so they share the same call list
(and maybe some timers) */
void pri_enslave(struct pri *master, struct pri *slave);
/*!
* \brief Request AOC on call setup
*
* \param call setup struct to set charging request info on
* \param charging request to set on setup struct
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_sr_set_aoc_charging_request(struct pri_sr *sr, int charging_request);
/*!
* \brief Send AOC Request Response to a request for AOC-S
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param invoke_id for response message
* \param aoc_s message for response
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_aoc_s_request_response_send(struct pri *ctrl, q931_call *call, int invoke_id, const struct pri_subcmd_aoc_s *aoc_s);
/*!
* \brief Send AOC Request Response to a request for AOC-D or AOC-E
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param response in form of enum PRI_AOC_REQ_RSP
* \param invoke_id for response message
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_aoc_de_request_response_send(struct pri *ctrl, q931_call *call, int response, int invoke_id);
/*!
* \brief Send AOC-S message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param aoc_s message to send
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_aoc_s_send(struct pri *ctrl, q931_call *c, const struct pri_subcmd_aoc_s *aoc_s);
/*!
* \brief Send AOC-D message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param aoc_d message to send
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_aoc_d_send(struct pri *ctrl, q931_call *c, const struct pri_subcmd_aoc_d *aoc_d);
/*!
* \brief Send AOC-E message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param aoc_e message to send
*
* \retval 0 on success
* \retval -1 on failure
*/
int pri_aoc_e_send(struct pri *ctrl, q931_call *c, const struct pri_subcmd_aoc_e *aoc_e);
#define PRI_GR303_SUPPORT
#define PRI_ENSLAVE_SUPPORT
#define PRI_SETUP_CALL
#define PRI_RECEIVE_SUBADDR
#define PRI_REDIRECTING_REASON
#define PRI_AOC_UNITS
#define PRI_ANI
/* Send notification */
int pri_notify(struct pri *pri, q931_call *c, int channel, int info);
int pri_callrerouting_facility(struct pri *pri, q931_call *call, const char *dest, const char* original, const char* reason);
/*!
* \brief Set the call deflection/rerouting feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable call deflection/rerouting feature.
*
* \return Nothing
*/
void pri_reroute_enable(struct pri *ctrl, int enable);
/*!
* \brief Send the CallRerouting/CallDeflection message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param caller Call rerouting/deflecting updated caller data. (NULL if data not updated.)
* \param deflection Call rerouting/deflecting redirection data.
* \param subscription_option Diverting user subscription option to specify if caller is notified.
*
* \note
* deflection->to is the new called number and must always be present.
* \note
* subscription option:
* noNotification(0),
* notificationWithoutDivertedToNr(1),
* notificationWithDivertedToNr(2)
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_reroute_call(struct pri *ctrl, q931_call *call, const struct pri_party_id *caller, const struct pri_party_redirecting *deflection, int subscription_option);
enum PRI_REROUTING_RSP_CODE {
/*!
* Rerouting invocation accepted and the network provider option
* "served user call retention on invocation of diversion"
* is "clear call on invocation".
*/
PRI_REROUTING_RSP_OK_CLEAR,
/*!
* Rerouting invocation accepted and the network provider option
* "served user call retention on invocation of diversion"
* is "retain call until alerting begins at the deflected-to user".
*/
PRI_REROUTING_RSP_OK_RETAIN,
PRI_REROUTING_RSP_NOT_SUBSCRIBED,
PRI_REROUTING_RSP_NOT_AVAILABLE,
/*! Supplementary service interaction not allowed. */
PRI_REROUTING_RSP_NOT_ALLOWED,
PRI_REROUTING_RSP_INVALID_NUMBER,
/*! Deflection to prohibited number (e.g., operator, police, emergency). */
PRI_REROUTING_RSP_SPECIAL_SERVICE_NUMBER,
/*! Deflection to served user number. */
PRI_REROUTING_RSP_DIVERSION_TO_SELF,
PRI_REROUTING_RSP_MAX_DIVERSIONS_EXCEEDED,
PRI_REROUTING_RSP_RESOURCE_UNAVAILABLE,
};
/*!
* \brief Send the CallRerouteing/CallDeflection response message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param invoke_id Value given by the initiating request.
* \param code The result to send.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_rerouting_rsp(struct pri *ctrl, q931_call *call, int invoke_id, enum PRI_REROUTING_RSP_CODE code);
/*!
* \brief Set the call transfer feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable call transfer feature.
*
* \return Nothing
*/
void pri_transfer_enable(struct pri *ctrl, int enable);
/*!
* \brief Send the call transfer response message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg.
* \param invoke_id Value given by the initiating request.
* \param is_successful TRUE if the transfer was successful.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_transfer_rsp(struct pri *ctrl, q931_call *call, int invoke_id, int is_successful);
/*!
* \brief Set the advice of charge events feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable AOC events feature.
*
* \return Nothing
*/
void pri_aoc_events_enable(struct pri *ctrl, int enable);
enum pri_layer2_persistence {
PRI_L2_PERSISTENCE_DEFAULT,
/*! Immediately bring layer 2 back up if the peer brings layer 2 down. */
PRI_L2_PERSISTENCE_KEEP_UP,
/*! Leave layer 2 down if the peer brings layer 2 down. */
PRI_L2_PERSISTENCE_LEAVE_DOWN,
#if 0 /* Possible future option. Would need to define how long to idle before dropping. */
/*! Drop layer 2 on D channel idle. */
PRI_L2_PERSISTENCE_IDLE_DROP,
#endif
};
/*!
* \brief Set the layer2 persistence option.
*
* \param ctrl D channel controller.
* \param option Layer 2 persistence to apply.
*
* \note
* Not all values are supported by all modes.
*
* \return Nothing
*/
void pri_persistent_layer2_option(struct pri *ctrl, enum pri_layer2_persistence option);
#define PRI_DISPLAY_OPTION_BLOCK (1 << 0) /*!< Do not pass display text. */
#define PRI_DISPLAY_OPTION_NAME_INITIAL (1 << 1) /*!< Use display in SETUP/CONNECT for name. */
#define PRI_DISPLAY_OPTION_NAME_UPDATE (1 << 2) /*!< Use display in FACILITY/NOTIFY for COLP name if appropriate. */
#define PRI_DISPLAY_OPTION_TEXT (1 << 3) /*!< Pass arbitrary display text in INFORMATION messages during call. */
/*!
* \brief Set the display ie send policy options.
*
* \param ctrl D channel controller.
* \param flags Option flags to apply.
*
* \note
* If no flags set then legacy default behaviour.
*
* \note
* Not all options are supported by all switches.
*
* \return Nothing
*/
void pri_display_options_send(struct pri *ctrl, unsigned long flags);
/*!
* \brief Set the display ie receive policy options.
*
* \param ctrl D channel controller.
* \param flags Option flags to apply.
*
* \note
* If no flags set then legacy default behaviour.
*
* \note
* Not all options are supported by all switches.
*
* \return Nothing
*/
void pri_display_options_receive(struct pri *ctrl, unsigned long flags);
/*!
* \brief Send display text during a call.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
* \param display Display text to send.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_display_text(struct pri *ctrl, q931_call *call, const struct pri_subcmd_display_txt *display);
/*!
* \brief Set the call hold feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable call hold feature.
*
* \return Nothing
*/
void pri_hold_enable(struct pri *ctrl, int enable);
/*!
* \brief Send the HOLD message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_hold(struct pri *ctrl, q931_call *call);
/*!
* \brief Send the HOLD ACKNOWLEDGE message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_hold_ack(struct pri *ctrl, q931_call *call);
/*!
* \brief Send the HOLD REJECT message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
* \param cause Q.931 cause code for rejecting the hold request.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_hold_rej(struct pri *ctrl, q931_call *call, int cause);
/*!
* \brief Send the RETRIEVE message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
* \param channel Encoded channel id to use. If zero do not send channel id.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_retrieve(struct pri *ctrl, q931_call *call, int channel);
/*!
* \brief Send the RETRIEVE ACKNOWLEDGE message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
* \param channel Encoded channel id to use.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_retrieve_ack(struct pri *ctrl, q931_call *call, int channel);
/*!
* \brief Send the RETRIEVE REJECT message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
* \param cause Q.931 cause code for rejecting the retrieve request.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int pri_retrieve_rej(struct pri *ctrl, q931_call *call, int cause);
#if defined(STATUS_REQUEST_PLACE_HOLDER)
int pri_status_req(struct pri *ctrl, int request_id, const struct pri_sr *req);
void pri_status_req_rsp(struct pri *ctrl, int invoke_id, int status);
#endif /* defined(STATUS_REQUEST_PLACE_HOLDER) */
/*!
* \brief Set the Malicious Call ID feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable MCID feature.
*
* \return Nothing
*/
void pri_mcid_enable(struct pri *ctrl, int enable);
/*!
* \brief Send the MCID request message.
*
* \param ctrl D channel controller.
* \param call Q.931 call leg
*
* \retval 0 on success. You should wait for a PRI_SUBCMD_MCID_RSP
* to continue clearing the call if it was in progress.
* \retval -1 on error.
*/
int pri_mcid_req_send(struct pri *ctrl, q931_call *call);
/*!
* \brief Set the call completion feature enable flag.
*
* \param ctrl D channel controller.
* \param enable TRUE to enable call completion feature.
*
* \return Nothing
*/
void pri_cc_enable(struct pri *ctrl, int enable);
/*!
* \brief Set the PTMP NT call completion recall mode.
*
* \param ctrl D channel controller.
* \param mode globalRecall(0), specificRecall(1)
*
* \return Nothing
*/
void pri_cc_recall_mode(struct pri *ctrl, int mode);
/*!
* \brief Set the Q.SIG call completion signaling link retention mode.
* (Requestor/Initiator/Originator/Party-A)
*
* \param ctrl D channel controller.
* \param signaling_retention release(0), retain(1), do-not-care(2).
*
* \return Nothing
*/
void pri_cc_retain_signaling_req(struct pri *ctrl, int signaling_retention);
/*!
* \brief Set the Q.SIG call completion signaling link retention mode.
* (Responder/Answerer/Party-B)
*
* \param ctrl D channel controller.
* \param signaling_retention release(0), retain(1).
*
* \return Nothing
*/
void pri_cc_retain_signaling_rsp(struct pri *ctrl, int signaling_retention);
long pri_cc_available(struct pri *ctrl, q931_call *call);
int pri_cc_req(struct pri *ctrl, long cc_id, int mode);
int pri_cc_req_rsp(struct pri *ctrl, long cc_id, int status);
void pri_cc_remote_user_free(struct pri *ctrl, long cc_id);
void pri_cc_b_free(struct pri *ctrl, long cc_id);
void pri_cc_stop_alerting(struct pri *ctrl, long cc_id);
void pri_cc_status_req(struct pri *ctrl, long cc_id);
void pri_cc_status_req_rsp(struct pri *ctrl, long cc_id, int status);
void pri_cc_status(struct pri *ctrl, long cc_id, int status);
int pri_cc_call(struct pri *ctrl, long cc_id, q931_call *call, struct pri_sr *req);
void pri_cc_cancel(struct pri *ctrl, long cc_id);
/* Date/time ie send policy option values. */
#define PRI_DATE_TIME_SEND_DEFAULT 0 /*!< Send date/time ie default. */
#define PRI_DATE_TIME_SEND_NO 1 /*!< Send date/time ie never. */
#define PRI_DATE_TIME_SEND_DATE 2 /*!< Send date/time ie date only. */
#define PRI_DATE_TIME_SEND_DATE_HH 3 /*!< Send date/time ie date and hour. */
#define PRI_DATE_TIME_SEND_DATE_HHMM 4 /*!< Send date/time ie date, hour, and minute. */
#define PRI_DATE_TIME_SEND_DATE_HHMMSS 5 /*!< Send date/time ie date, hour, minute, and second. */
/*!
* \brief Set the date/time ie send policy option.
*
* \param ctrl D channel controller.
* \param option Policy option to set.
*
* \note
* Only valid in NT mode.
*
* \return Nothing
*/
void pri_date_time_send_option(struct pri *ctrl, int option);
/* Get/Set PRI Timers */
#define PRI_GETSET_TIMERS
int pri_set_timer(struct pri *pri, int timer, int value);
int pri_get_timer(struct pri *pri, int timer);
int pri_timer2idx(const char *timer_name);
/*! New configurable timers and counters must be added to the end of the list */
enum PRI_TIMERS_AND_COUNTERS {
PRI_TIMER_N200, /*!< Maximum numer of Q.921 retransmissions */
PRI_TIMER_N201, /*!< Maximum numer of octets in an information field */
PRI_TIMER_N202, /*!< Maximum numer of transmissions of the TEI identity request message */
PRI_TIMER_K, /*!< Maximum number of outstanding I-frames */
PRI_TIMER_T200, /*!< Time between SABME's */
PRI_TIMER_T201, /*!< Minimum time between retransmissions of the TEI Identity check messages */
PRI_TIMER_T202, /*!< Minimum time between transmission of TEI Identity request messages */
PRI_TIMER_T203, /*!< Maximum time without exchanging packets */
PRI_TIMER_T300,
PRI_TIMER_T301, /*!< Maximum time to respond to an ALERT */
PRI_TIMER_T302,
PRI_TIMER_T303, /*!< Maximum time to wait after sending a SETUP without a response */
PRI_TIMER_T304,
PRI_TIMER_T305, /*!< Wait for DISCONNECT acknowledge */
PRI_TIMER_T306,
PRI_TIMER_T307,
PRI_TIMER_T308, /*!< Wait for RELEASE acknowledge */
PRI_TIMER_T309, /*!< Time active calls can tollerate data link layer being down before clearing. */
PRI_TIMER_T310, /*!< Maximum time between receiving a CALL_PROCEEDING and receiving a ALERT/CONNECT/DISCONNECT/PROGRESS */
PRI_TIMER_T313, /*!< Wait for CONNECT acknowledge, CPE side only */
PRI_TIMER_T314,
PRI_TIMER_T316, /*!< Time to wait for a RESTART ACK before retransmitting RESTART. (Timer enabled if greater than zero.) */
PRI_TIMER_T317,
PRI_TIMER_T318,
PRI_TIMER_T319,
PRI_TIMER_T320,
PRI_TIMER_T321,
PRI_TIMER_T322,
PRI_TIMER_TM20, /*!< Maximum time awaiting XID response */
PRI_TIMER_NM20, /*!< Number of XID retransmits */
PRI_TIMER_T_HOLD, /*!< Maximum time to wait for HOLD request response. */
PRI_TIMER_T_RETRIEVE, /*!< Maximum time to wait for RETRIEVE request response. */
PRI_TIMER_T_RESPONSE, /*!< Maximum time to wait for a typical APDU response. */
PRI_TIMER_T_STATUS, /*!< Max time to wait for all replies to check for compatible terminals */
PRI_TIMER_T_ACTIVATE, /*!< Request supervision timeout. */
PRI_TIMER_T_DEACTIVATE, /*!< Deactivate supervision timeout. */
PRI_TIMER_T_INTERROGATE,/*!< Interrogation supervision timeout. */
/* ETSI call-completion timers */
PRI_TIMER_T_RETENTION, /*!< Max time to wait for user A to activate call-completion. */
PRI_TIMER_T_CCBS1, /*!< T-STATUS timer equivalent for CC user A status. */
PRI_TIMER_T_CCBS2, /*!< Max time the CCBS service will be active */
PRI_TIMER_T_CCBS3, /*!< Max time to wait for user A to respond to user B availability. */
PRI_TIMER_T_CCBS4, /*!< CC user B guard time before sending CC recall indication. */
PRI_TIMER_T_CCBS5, /*!< Network B CCBS supervision timeout. */
PRI_TIMER_T_CCBS6, /*!< Network A CCBS supervision timeout. */
PRI_TIMER_T_CCNR2, /*!< Max time the CCNR service will be active */
PRI_TIMER_T_CCNR5, /*!< Network B CCNR supervision timeout. */
PRI_TIMER_T_CCNR6, /*!< Network A CCNR supervision timeout. */
/* Q.SIG call-completion timers */
PRI_TIMER_QSIG_CC_T1, /*!< CC request supervision timeout. */
PRI_TIMER_QSIG_CCBS_T2, /*!< CCBS supervision timeout. */
PRI_TIMER_QSIG_CCNR_T2, /*!< CCNR supervision timeout. */
PRI_TIMER_QSIG_CC_T3, /*!< Max time to wait for user A to respond to user B availability. */
PRI_TIMER_QSIG_CC_T4, /*!< Path reservation supervision timeout. */
PRI_TIMER_T312, /*!< Supervise broadcast SETUP message call reference retention. */
PRI_TIMER_N316, /*!< Number of times to transmit RESTART before giving up if T316 enabled. */
/* Must be last in the enum list */
PRI_MAX_TIMERS
};
/* Get PRI version */
const char *pri_get_version(void);
#endif