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libpri/libpri.h
Jason Parker 595154da5a Fix an incorrect pri_event structure definition. 
Issue 10832, patch by flefoll


git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@470 2fbb986a-6c06-0410-b554-c9c1f0a7f128
2007-10-05 16:45:39 +00:00

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/*
* libpri: An implementation of Primary Rate ISDN
*
* Written by Mark Spencer <markster@linux-support.net>
*
* Copyright (C) 2001, Linux Support Services, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#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 */
#define PRI_EVENT_HANGUP 6 /* Call got hung up */
#define PRI_EVENT_RINGING 7 /* Call is ringing (alerting) */
#define PRI_EVENT_ANSWER 8 /* Call has been answered */
#define PRI_EVENT_HANGUP_ACK 9 /* Call hangup has been acknowledged */
#define PRI_EVENT_RESTART_ACK 10 /* Restart complete on a given channel */
#define PRI_EVENT_FACNAME 11 /* Caller*ID Name received on Facility */
#define PRI_EVENT_INFO_RECEIVED 12 /* Additional info (keypad) received */
#define PRI_EVENT_PROCEEDING 13 /* When we get CALL_PROCEEDING or PROGRESS */
#define PRI_EVENT_SETUP_ACK 14 /* When we get SETUP_ACKNOWLEDGE */
#define PRI_EVENT_HANGUP_REQ 15 /* Requesting the higher layer to hangup */
#define PRI_EVENT_NOTIFY 16 /* Notification received */
#define PRI_EVENT_PROGRESS 17 /* When we get CALL_PROCEEDING or PROGRESS */
#define PRI_EVENT_KEYPAD_DIGIT 18 /* When we receive during ACTIVE state */
/* 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
#define PRI_NPI_E163_E164 0x1
#define PRI_NPI_X121 0x3
#define PRI_NPI_F69 0x4
#define PRI_NPI_NATIONAL 0x8
#define PRI_NPI_PRIVATE 0x9
#define PRI_NPI_RESERVED 0xF
/* 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 PRES_ALLOWED_USER_NUMBER_NOT_SCREENED 0x00
#define PRES_ALLOWED_USER_NUMBER_PASSED_SCREEN 0x01
#define PRES_ALLOWED_USER_NUMBER_FAILED_SCREEN 0x02
#define PRES_ALLOWED_NETWORK_NUMBER 0x03
#define PRES_PROHIB_USER_NUMBER_NOT_SCREENED 0x20
#define PRES_PROHIB_USER_NUMBER_PASSED_SCREEN 0x21
#define PRES_PROHIB_USER_NUMBER_FAILED_SCREEN 0x22
#define PRES_PROHIB_NETWORK_NUMBER 0x23
#define PRES_NUMBER_NOT_AVAILABLE 0x43
/* 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
/* Notifications */
#define PRI_NOTIFY_USER_SUSPENDED 0x00 /* User suspended */
#define PRI_NOTIFY_USER_RESUMED 0x01 /* User resumed */
#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) */
#define PRI_NOTIFY_TRANSFER_ALERTING 0x69 /* Call transfer, alerting */
#define PRI_NOTIFY_TRANSFER_ACTIVE 0x6a /* Call transfer, active */
#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 */
#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;
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 */
} 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 */
} pri_event_answer;
typedef struct pri_event_facname {
int e;
char callingname[256];
char callingnum[256];
int channel;
int cref;
q931_call *call;
} pri_event_facname;
#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;
} 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 */
} 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;
} pri_event_proceeding;
typedef struct pri_event_setup_ack {
int e;
int channel;
q931_call *call;
} pri_event_setup_ack;
typedef struct pri_event_notify {
int e;
int channel;
int info;
} pri_event_notify;
typedef struct pri_event_keypad_digit {
int e;
int channel;
q931_call *call;
char digits[64];
} pri_event_keypad_digit;
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 */
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;
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_* */
extern struct pri *pri_new(int fd, int nodetype, int switchtype);
/* Create D-channel just as above with user defined I/O callbacks and data */
extern 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 */
extern void *pri_get_userdata(struct pri *pri);
/* Set the user data associated with the D channel */
extern void pri_set_userdata(struct pri *pri, void *userdata);
/* Set Network Specific Facility for PRI */
extern void pri_set_nsf(struct pri *pri, int nsf);
/* Set debug parameters on PRI -- see above debug definitions */
extern void pri_set_debug(struct pri *pri, int debug);
/* Get debug parameters on PRI -- see above debug definitions */
extern int pri_get_debug(struct pri *pri);
#define PRI_FACILITY_ENABLE
/* Enable transmission support of Facility IEs on the pri */
extern 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 */
extern 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 */
extern char *pri_event2str(int id);
/* Give a name to a node type */
extern char *pri_node2str(int id);
/* Give a name to a switch type */
extern char *pri_switch2str(int id);
/* Print an event */
extern void pri_dump_event(struct pri *pri, pri_event *e);
/* Turn presentation into a string */
extern char *pri_pres2str(int pres);
/* Turn numbering plan into a string */
extern char *pri_plan2str(int plan);
/* Turn cause into a string */
extern 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 */
extern int pri_acknowledge(struct pri *pri, q931_call *call, int channel, int info);
/* Send a digit in overlap mode */
extern int pri_information(struct pri *pri, q931_call *call, char digit);
#define PRI_KEYPAD_FACILITY_TX
/* Send a keypad facility string of digits */
extern int pri_keypad_facility(struct pri *pri, q931_call *call, 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 */
extern 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 */
extern int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn);
/* 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
extern int pri_hangup(struct pri *pri, q931_call *call, int cause);
#define PRI_DESTROYCALL
extern void pri_destroycall(struct pri *pri, q931_call *call);
#define PRI_RESTART
extern int pri_restart(struct pri *pri);
extern int pri_reset(struct pri *pri, int channel);
/* Create a new call */
extern q931_call *pri_new_call(struct pri *pri);
/* Retrieve CRV reference for GR-303 calls. Returns >0 on success. */
extern 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 */
extern 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 */
extern struct timeval *pri_schedule_next(struct pri *pri);
/* Run any pending schedule events */
extern pri_event *pri_schedule_run(struct pri *pri);
extern 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);
extern struct pri_sr *pri_sr_new(void);
extern void pri_sr_free(struct pri_sr *sr);
extern int pri_sr_set_channel(struct pri_sr *sr, int channel, int exclusive, int nonisdn);
extern int pri_sr_set_bearer(struct pri_sr *sr, int transmode, int userl1);
extern int pri_sr_set_called(struct pri_sr *sr, char *called, int calledplan, int complete);
extern int pri_sr_set_caller(struct pri_sr *sr, char *caller, char *callername, int callerplan, int callerpres);
extern 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 */
extern void pri_sr_set_useruser(struct pri_sr *sr, const char *userchars);
extern void pri_call_set_useruser(q931_call *sr, const char *userchars);
extern 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) */
extern 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, decativates */
extern 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 */
extern int pri_mwi_deactivate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
#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
extern void pri_set_message(void (*__pri_error)(struct pri *pri, char *));
extern void pri_set_error(void (*__pri_error)(struct pri *pri, char *));
/* Set overlap mode */
#define PRI_SET_OVERLAPDIAL
extern void pri_set_overlapdial(struct pri *pri,int state);
#define PRI_DUMP_INFO_STR
extern char *pri_dump_info_str(struct pri *pri);
/* Get file descriptor */
extern int pri_fd(struct pri *pri);
#define PRI_PROGRESS
/* Send call proceeding */
extern int pri_progress(struct pri *pri, q931_call *c, int channel, int info);
#define PRI_PROCEEDING_FULL
/* Send call proceeding */
extern int pri_proceeding(struct pri *pri, q931_call *c, int channel, int info);
/* Enslave a PRI to another, so they share the same call list
(and maybe some timers) */
extern 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 */
extern int pri_notify(struct pri *pri, q931_call *c, int channel, int info);
/* Get/Set PRI Timers */
#define PRI_GETSET_TIMERS
extern int pri_set_timer(struct pri *pri, int timer, int value);
extern int pri_get_timer(struct pri *pri, int timer);
extern int pri_timer2idx(char *timer);
#define PRI_MAX_TIMERS 32
#define PRI_TIMER_N200 0 /* Maximum numer of q921 retransmissions */
#define PRI_TIMER_N201 1 /* Maximum numer of octets in an information field */
#define PRI_TIMER_N202 2 /* Maximum numer of transmissions of the TEI identity request message */
#define PRI_TIMER_K 3 /* Maximum number of outstanding I-frames */
#define PRI_TIMER_T200 4 /* time between SABME's */
#define PRI_TIMER_T201 5 /* minimum time between retransmissions of the TEI Identity check messages */
#define PRI_TIMER_T202 6 /* minimum time between transmission of TEI Identity request messages */
#define PRI_TIMER_T203 7 /* maxiumum time without exchanging packets */
#define PRI_TIMER_T300 8
#define PRI_TIMER_T301 9 /* maximum time to respond to an ALERT */
#define PRI_TIMER_T302 10
#define PRI_TIMER_T303 11 /* maximum time to wait after sending a SETUP without a response */
#define PRI_TIMER_T304 12
#define PRI_TIMER_T305 13
#define PRI_TIMER_T306 14
#define PRI_TIMER_T307 15
#define PRI_TIMER_T308 16
#define PRI_TIMER_T309 17
#define PRI_TIMER_T310 18 /* maximum time between receiving a CALLPROCEEDING and receiving a ALERT/CONNECT/DISCONNECT/PROGRESS */
#define PRI_TIMER_T313 19
#define PRI_TIMER_T314 20
#define PRI_TIMER_T316 21 /* maximum time between transmitting a RESTART and receiving a RESTART ACK */
#define PRI_TIMER_T317 22
#define PRI_TIMER_T318 23
#define PRI_TIMER_T319 24
#define PRI_TIMER_T320 25
#define PRI_TIMER_T321 26
#define PRI_TIMER_T322 27
#endif
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