/* * libpri: An implementation of Primary Rate ISDN * * Written by Mark Spencer * * 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_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 */ /* 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 */ #define PRI_CAUSE_UNALLOCATED 1 #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_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_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. */ char data[32]; }; /*! \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; }; /* Subcommands derived from supplementary services. */ #define PRI_SUBCMD_REDIRECTING 1 #define PRI_SUBCMD_CONNECTED_LINE 2 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; } 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]; }; 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; 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; }; #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 */ 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; } pri_event_ring; typedef struct pri_event_hangup { int e; int channel; /* Channel requested */ int cause; int cref; q931_call *call; /* Opaque call pointer */ long aoc_units; /* Advise of Charge number of charged units */ char useruserinfo[260]; /* User->User info */ struct pri_subcommands *subcmds; } 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; } pri_event_setup_ack; typedef struct pri_event_notify { int e; int channel; int info; struct pri_subcommands *subcmds; } 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; 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; } 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); /* 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); /* Acknowledge a call and place it on the given channel. Set info to non-zero if there is in-band data available on the channel */ 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); /* Answer the incomplete(call without called number) call on the given channel. Set non-isdn to non-zero if you are not connecting to ISDN equipment */ int pri_need_more_info(struct pri *pri, q931_call *call, int channel, int nonisdn); /* Answer the call on the given channel (ignored if you called acknowledge already). Set non-isdn to non-zero if you are not connecting to ISDN equipment */ int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn); /*! * \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); #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); /* 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 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); #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); /* Set a call has a call indpendent signalling connection (i.e. no bchan) */ int pri_sr_set_connection_call_independent(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); /* 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 * suscribed. 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 /* Send call proceeding */ 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); #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); /* 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, /*!< Maximum time between transmitting a RESTART and receiving a RESTART ACK */ 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 */ /* Must be last in the enum list */ _PRI_MAX_TIMERS, PRI_MAX_TIMERS = (_PRI_MAX_TIMERS < 32) ? 32 : _PRI_MAX_TIMERS }; /* Get PRI version */ const char *pri_get_version(void); #endif