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							834 lines
						
					
					
						
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							834 lines
						
					
					
						
							23 KiB
						
					
					
				| /*
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|  * Chan_Misdn -- Channel Driver for Asterisk
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|  *
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|  * Interface to mISDN
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|  *
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|  * Copyright (C) 2004, Christian Richter
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|  *
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|  * Christian Richter <crich@beronet.com>
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|  *
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|  * This program is free software, distributed under the terms of
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|  * the GNU General Public License
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|  */
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| 
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| /*! \file
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|  * \brief Interface to mISDN
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|  *
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|  * \author Christian Richter <crich@beronet.com>
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|  */
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| 
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| #ifndef TE_LIB
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| #define TE_LIB
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| 
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| #include <mISDNuser/suppserv.h>
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| 
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| /** For initialization usage **/
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| /* typedef int ie_nothing_t ;*/
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| /** end of init usage **/
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| 
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| 
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| /*
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|  * uncomment the following to make chan_misdn create
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|  * record files in /tmp/misdn-{rx|tx}-PortChannel format
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|  * */
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| 
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| /*#define MISDN_SAVE_DATA*/
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| 
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| #ifdef WITH_BEROEC
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| typedef int beroec_t;
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| 
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| 
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| enum beroec_type {
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| 	BEROEC_FULLBAND=0,
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| 	BEROEC_SUBBAND,
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| 	BEROEC_FASTSUBBAND
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| };
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| 
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| void beroec_init(void);
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| void beroec_exit(void);
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| beroec_t *beroec_new(int tail, enum beroec_type type, int anti_howl,
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| 		     int tonedisable, int zerocoeff, int adapt, int nlp);
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| 
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| void beroec_destroy(beroec_t *ec);
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| int beroec_cancel_alaw_chunk(beroec_t *ec,
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| 	char *send,
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| 	char *receive,
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| 	int len);
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| 
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| int beroec_version(void);
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| #endif
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| 
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| 
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| 
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| enum tone_e {
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| 	TONE_NONE=0,
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| 	TONE_DIAL,
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| 	TONE_ALERTING,
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| 	TONE_FAR_ALERTING,
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| 	TONE_BUSY,
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| 	TONE_HANGUP,
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| 	TONE_CUSTOM,
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| 	TONE_FILE
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| };
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| 
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| 
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| 
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| #define MAX_BCHANS 31
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| 
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| enum bchannel_state {
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| 	BCHAN_CLEANED=0,
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| 	BCHAN_EMPTY,
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| 	BCHAN_ACTIVATED,
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| 	BCHAN_BRIDGED,
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| 	BCHAN_RELEASE,
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| 	BCHAN_ERROR
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| };
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| 
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| 
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| enum misdn_err_e {
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| 	ENOCHAN=1
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| };
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| 
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| enum mISDN_NUMBER_PLAN {
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| 	NUMPLAN_UNKNOWN = 0x0,
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| 	NUMPLAN_ISDN = 0x1,		/* ISDN/Telephony numbering plan E.164 */
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| 	NUMPLAN_DATA = 0x3,		/* Data numbering plan X.121 */
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| 	NUMPLAN_TELEX = 0x4,	/* Telex numbering plan F.69 */
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| 	NUMPLAN_NATIONAL = 0x8,
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| 	NUMPLAN_PRIVATE = 0x9
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| };
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| 
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| enum mISDN_NUMBER_TYPE {
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| 	NUMTYPE_UNKNOWN = 0x0,
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| 	NUMTYPE_INTERNATIONAL = 0x1,
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| 	NUMTYPE_NATIONAL = 0x2,
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| 	NUMTYPE_NETWORK_SPECIFIC = 0x3,
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| 	NUMTYPE_SUBSCRIBER = 0x4,
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| 	NUMTYPE_ABBREVIATED = 0x5
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| };
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| 
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| enum event_response_e {
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| 	RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE,
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| 	RESPONSE_IGNORE_SETUP,
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| 	RESPONSE_RELEASE_SETUP,
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| 	RESPONSE_ERR,
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| 	RESPONSE_OK
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| };
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| 
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| 
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| enum event_e {
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| 	EVENT_NOTHING,
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| 	EVENT_TONE_GENERATE,
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| 	EVENT_BCHAN_DATA,
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| 	EVENT_BCHAN_ACTIVATED,
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| 	EVENT_BCHAN_ERROR,
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| 	EVENT_CLEANUP,
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| 	EVENT_PROCEEDING,
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| 	EVENT_PROGRESS,
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| 	EVENT_SETUP,
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| 	EVENT_REGISTER,
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| 	EVENT_ALERTING,
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| 	EVENT_CONNECT,
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| 	EVENT_SETUP_ACKNOWLEDGE,
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| 	EVENT_CONNECT_ACKNOWLEDGE ,
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| 	EVENT_USER_INFORMATION,
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| 	EVENT_SUSPEND_REJECT,
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| 	EVENT_RESUME_REJECT,
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| 	EVENT_HOLD,
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| 	EVENT_SUSPEND,
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| 	EVENT_RESUME,
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| 	EVENT_HOLD_ACKNOWLEDGE,
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| 	EVENT_SUSPEND_ACKNOWLEDGE,
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| 	EVENT_RESUME_ACKNOWLEDGE,
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| 	EVENT_HOLD_REJECT,
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| 	EVENT_RETRIEVE,
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| 	EVENT_RETRIEVE_ACKNOWLEDGE,
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| 	EVENT_RETRIEVE_REJECT,
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| 	EVENT_DISCONNECT,
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| 	EVENT_RESTART,
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| 	EVENT_RELEASE,
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| 	EVENT_RELEASE_COMPLETE,
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| 	EVENT_FACILITY,
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| 	EVENT_NOTIFY,
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| 	EVENT_STATUS_ENQUIRY,
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| 	EVENT_INFORMATION,
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| 	EVENT_STATUS,
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| 	EVENT_TIMEOUT,
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| 	EVENT_DTMF_TONE,
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| 	EVENT_NEW_L3ID,
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| 	EVENT_NEW_BC,
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| 	EVENT_PORT_ALARM,
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| 	EVENT_NEW_CHANNEL,
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| 	EVENT_UNKNOWN
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| };
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| 
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| 
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| enum ie_name_e {
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| 	IE_DUMMY,
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| 	IE_LAST
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| };
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| 
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| enum { /* bearer capability */
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| 	INFO_CAPABILITY_SPEECH=0,
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| 	INFO_CAPABILITY_AUDIO_3_1K=0x10 ,
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| 	INFO_CAPABILITY_AUDIO_7K=0x11 ,
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| 	INFO_CAPABILITY_VIDEO =0x18,
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| 	INFO_CAPABILITY_DIGITAL_UNRESTRICTED =0x8,
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| 	INFO_CAPABILITY_DIGITAL_RESTRICTED =0x09,
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| 	INFO_CAPABILITY_DIGITAL_UNRESTRICTED_TONES
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| };
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| 
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| enum { /* progress indicators */
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| 	INFO_PI_CALL_NOT_E2E_ISDN =0x01,
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| 	INFO_PI_CALLED_NOT_ISDN =0x02,
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| 	INFO_PI_CALLER_NOT_ISDN =0x03,
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| 	INFO_PI_CALLER_RETURNED_TO_ISDN =0x04,
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| 	INFO_PI_INBAND_AVAILABLE =0x08,
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| 	INFO_PI_DELAY_AT_INTERF =0x0a,
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| 	INFO_PI_INTERWORKING_WITH_PUBLIC =0x10,
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| 	INFO_PI_INTERWORKING_NO_RELEASE =0x11,
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| 	INFO_PI_INTERWORKING_NO_RELEASE_PRE_ANSWER =0x12,
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| 	INFO_PI_INTERWORKING_NO_RELEASE_POST_ANSWER =0x13
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| };
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| 
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| /*!
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|  * \brief Q.931 encoded redirecting reason
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|  */
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| enum mISDN_REDIRECTING_REASON {
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| 	mISDN_REDIRECTING_REASON_UNKNOWN = 0x0,
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| 	/*! Call forwarding busy or called DTE busy */
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| 	mISDN_REDIRECTING_REASON_CALL_FWD_BUSY = 0x1,
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| 	/*! Call forwarding no reply */
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| 	mISDN_REDIRECTING_REASON_NO_REPLY = 0x2,
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| 	/*! Call deflection */
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| 	mISDN_REDIRECTING_REASON_DEFLECTION = 0x4,
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| 	/*! Called DTE out of order */
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| 	mISDN_REDIRECTING_REASON_OUT_OF_ORDER = 0x9,
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| 	/*! Call forwarding by the called DTE */
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| 	mISDN_REDIRECTING_REASON_CALL_FWD_DTE = 0xA,
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| 	/*! Call forwarding unconditional or systematic call redirection */
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| 	mISDN_REDIRECTING_REASON_CALL_FWD = 0xF
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| };
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| 
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| /*!
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|  * \brief Notification description code enumeration
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|  */
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| enum mISDN_NOTIFY_CODE {
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| 	mISDN_NOTIFY_CODE_INVALID = -1,
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| 	/*! Call is placed on hold (Q.931) */
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| 	mISDN_NOTIFY_CODE_USER_SUSPEND = 0x00,
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| 	/*! Call is taken off of hold (Q.931) */
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| 	mISDN_NOTIFY_CODE_USER_RESUME = 0x01,
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| 	/*! Call is diverting (EN 300 207-1 Section 7.2.1) */
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| 	mISDN_NOTIFY_CODE_CALL_IS_DIVERTING = 0x7B,
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| 	/*! Call diversion is enabled (cfu, cfb, cfnr) (EN 300 207-1 Section 7.2.1) */
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| 	mISDN_NOTIFY_CODE_DIVERSION_ACTIVATED = 0x68,
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| 	/*! Call transfer, alerting (EN 300 369-1 Section 7.2) */
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| 	mISDN_NOTIFY_CODE_CALL_TRANSFER_ALERTING = 0x69,
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| 	/*! Call transfer, active(answered) (EN 300 369-1 Section 7.2) */
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| 	mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE = 0x6A,
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| };
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| 
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| enum { /*CODECS*/
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| 	INFO_CODEC_ULAW=2,
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| 	INFO_CODEC_ALAW=3
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| };
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| 
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| 
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| enum layer_e {
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| 	L3,
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| 	L2,
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| 	L1,
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| 	UNKNOWN
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| };
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| 
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| /*! Maximum phone number (address) length plus null terminator */
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| #define MISDN_MAX_NUMBER_LEN		(31 + 1)
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| 
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| /*! Maximum name length plus null terminator (From ECMA-164) */
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| #define MISDN_MAX_NAME_LEN			(50 + 1)
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| 
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| /*! Maximum subaddress length plus null terminator */
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| #define MISDN_MAX_SUBADDRESS_LEN	(23 + 1)
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| 
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| /*! Maximum keypad facility content length plus null terminator */
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| #define MISDN_MAX_KEYPAD_LEN		(31 + 1)
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| 
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| /*! \brief Dialed/Called information struct */
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| struct misdn_party_dialing {
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| 	/*! \brief Type-of-number in ISDN terms for the dialed/called number */
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| 	enum mISDN_NUMBER_TYPE number_type;
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| 
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| 	/*! \brief Type-of-number numbering plan. */
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| 	enum mISDN_NUMBER_PLAN number_plan;
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| 
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| 	/*! \brief Dialed/Called Phone Number (Address) */
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| 	char number[MISDN_MAX_NUMBER_LEN];
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| 
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| 	/*! \brief Dialed/Called Subaddress number */
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| 	char subaddress[MISDN_MAX_SUBADDRESS_LEN];
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| };
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| 
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| /*! \brief Connected-Line/Calling/Redirecting ID info struct */
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| struct misdn_party_id {
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| 	/*! \brief Number presentation restriction code
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| 	 * 0=Allowed, 1=Restricted, 2=Unavailable
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| 	 */
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| 	int presentation;
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| 
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| 	/*! \brief Number screening code
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| 	 * 0=Unscreened, 1=Passed Screen, 2=Failed Screen, 3=Network Number
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| 	 */
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| 	int screening;
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| 
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| 	/*! \brief Type-of-number in ISDN terms for the number */
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| 	enum mISDN_NUMBER_TYPE number_type;
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| 
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| 	/*! \brief Type-of-number numbering plan. */
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| 	enum mISDN_NUMBER_PLAN number_plan;
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| 
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| 	/*! \brief Subscriber Name
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| 	 * \note The name is currently obtained from Asterisk for
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| 	 * potential use in display ie's since basic ISDN does
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| 	 * not support names directly.
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| 	 */
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| 	char name[MISDN_MAX_NAME_LEN];
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| 
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| 	/*! \brief Phone number (Address) */
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| 	char number[MISDN_MAX_NUMBER_LEN];
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| 
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| 	/*! \brief Subaddress number */
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| 	char subaddress[MISDN_MAX_SUBADDRESS_LEN];
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| };
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| 
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| /*! \brief Redirecting information struct */
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| struct misdn_party_redirecting {
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| 	/*! \brief Who is redirecting the call (Sent to the party the call is redirected toward) */
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| 	struct misdn_party_id from;
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| 
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| 	/*! \brief Where the call is being redirected toward (Sent to the calling party) */
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| 	struct misdn_party_id to;
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| 
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| 	/*! \brief Reason a call is being redirected (Q.931 field value) */
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| 	enum mISDN_REDIRECTING_REASON reason;
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| 
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| 	/*! \brief Number of times the call has been redirected */
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| 	int count;
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| 
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| 	/*! \brief TRUE if the redirecting.to information has changed */
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| 	int to_changed;
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| };
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| 
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| 
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| /*! \brief B channel control structure */
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| struct misdn_bchannel {
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| 	/*! \brief B channel send locking structure */
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| 	struct send_lock *send_lock;
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| 
 | |
| #if defined(AST_MISDN_ENHANCEMENTS)
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| 	/*! \brief The BC, HLC (optional) and LLC (optional) contents from the SETUP message. */
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| 	struct Q931_Bc_Hlc_Llc setup_bc_hlc_llc;
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| #endif	/* defined(AST_MISDN_ENHANCEMENTS) */
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| 
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| 	/*!
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| 	 * \brief Dialed/Called information struct
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| 	 * \note The number_type element is set to "dialplan" in /etc/asterisk/misdn.conf for outgoing calls
 | |
| 	 */
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| 	struct misdn_party_dialing dialed;
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| 
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| 	/*! \brief Originating/Caller ID information struct
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| 	 * \note The number_type element can be set to "localdialplan" in /etc/asterisk/misdn.conf for outgoing calls
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| 	 * \note The number element can be set to "callerid" in /etc/asterisk/misdn.conf for outgoing calls
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| 	 */
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| 	struct misdn_party_id caller;
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| 
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| 	/*! \brief  Incoming Caller ID string tag for special purpose
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| 	 * \note The element can be set to "incoming_cid_tag" in /etc/asterisk/misdn.conf for incoming calls
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| 	 */
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| 	char incoming_cid_tag[MISDN_MAX_NAME_LEN];
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| 
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| 	/*! \brief Connected-Party/Connected-Line ID information struct
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| 	 * \note The number_type element can be set to "cpndialplan" in /etc/asterisk/misdn.conf for outgoing calls
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| 	 */
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| 	struct misdn_party_id connected;
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| 
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| 	/*! \brief Redirecting information struct (Where a call diversion or transfer was invoked)
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| 	 * \note The redirecting subaddress is not defined in Q.931 so it is not used.
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| 	 */
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| 	struct misdn_party_redirecting redirecting;
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| 
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| 	/*! \brief TRUE if this is a dummy BC record */
 | |
| 	int dummy;
 | |
| 
 | |
| 	/*! \brief TRUE if NT side of protocol (TE otherwise) */
 | |
| 	int nt;
 | |
| 
 | |
| 	/*! \brief TRUE if ISDN-PRI (ISDN-BRI otherwise) */
 | |
| 	int pri;
 | |
| 
 | |
| 	/*! \brief Logical Layer 1 port associated with this B channel */
 | |
| 	int port;
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| 
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| 	/** init stuff **/
 | |
| 	/*! \brief B Channel mISDN driver stack ID */
 | |
| 	int b_stid;
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| 
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| 	/* int b_addr; */
 | |
| 
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| 	/*! \brief B Channel mISDN driver layer ID from mISDN_new_layer() */
 | |
| 	int layer_id;
 | |
| 
 | |
| 	/*! \brief B channel layer; set to 3 or 4 */
 | |
| 	int layer;
 | |
| 
 | |
| 	/* state stuff */
 | |
| 	/*! \brief TRUE if DISCONNECT needs to be sent to clear a call */
 | |
| 	int need_disconnect;
 | |
| 
 | |
| 	/*! \brief TRUE if RELEASE needs to be sent to clear a call */
 | |
| 	int need_release;
 | |
| 
 | |
| 	/*! \brief TRUE if RELEASE_COMPLETE needs to be sent to clear a call */
 | |
| 	int need_release_complete;
 | |
| 
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| 	/*! \brief TRUE if allocate higher B channels first */
 | |
| 	int dec;
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| 
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| 	/* var stuff */
 | |
| 	/*! \brief Layer 3 process ID */
 | |
| 	int l3_id;
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| 
 | |
| 	/*! \brief B channel process ID (1-5000) */
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| 	int pid;
 | |
| 
 | |
| 	/*! \brief Not used. Saved mISDN stack CONNECT_t ces value */
 | |
| 	int ces;
 | |
| 
 | |
| 	/*! \brief B channel to restart if received a RESTART message */
 | |
| 	int restart_channel;
 | |
| 
 | |
| 	/*! \brief Assigned B channel number B1, B2... 0 if not assigned */
 | |
| 	int channel;
 | |
| 
 | |
| 	/*! \brief TRUE if the B channel number is preselected */
 | |
| 	int channel_preselected;
 | |
| 
 | |
| 	/*! \brief TRUE if the B channel is allocated from the REGISTER pool */
 | |
| 	int is_register_pool;
 | |
| 
 | |
| 	/*! \brief TRUE if B channel record is in use */
 | |
| 	int in_use;
 | |
| 
 | |
| 	/*! \brief Time when empty_bc() last called on this record */
 | |
| 	struct timeval last_used;
 | |
| 
 | |
| 	/*! \brief TRUE if call waiting */
 | |
| 	int cw;
 | |
| 
 | |
| 	/*! \brief B Channel mISDN driver layer ID from mISDN_get_layerid() */
 | |
| 	int addr;
 | |
| 
 | |
| 	/*! \brief B channel speech sample data buffer */
 | |
| 	char *bframe;
 | |
| 
 | |
| 	/*! \brief B channel speech sample data buffer size */
 | |
| 	int bframe_len;
 | |
| 	int time_usec;	/* Not used */
 | |
| 
 | |
| 	/*! \brief Not used. Contents are setup but not used. */
 | |
| 	void *astbuf;
 | |
| 
 | |
| 	/*! \brief TRUE if the TE side should choose the B channel to use
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf
 | |
| 	 */
 | |
| 	int te_choose_channel;
 | |
| 
 | |
| 	/*! \brief TRUE if the call progress indicators can indicate an inband audio message for the user to listen to
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf
 | |
| 	 */
 | |
| 	int early_bconnect;
 | |
| 
 | |
| 	/*! \brief Last decoded DTMF digit from mISDN driver */
 | |
| 	int dtmf;
 | |
| 
 | |
| 	/*! \brief TRUE if we should produce DTMF tones ourselves
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf
 | |
| 	 */
 | |
| 	int send_dtmf;
 | |
| 
 | |
| 	/*! \brief TRUE if we send SETUP_ACKNOWLEDGE on incoming calls anyway (instead of PROCEEDING).
 | |
| 	 *
 | |
| 	 * This requests additional INFORMATION messages, so we can
 | |
| 	 * wait for digits without issues.
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf
 | |
| 	 */
 | |
| 	int need_more_infos;
 | |
| 
 | |
| 	/*! \brief TRUE if all digits necessary to complete the call are available.
 | |
| 	 * No more INFORMATION messages are needed.
 | |
| 	 */
 | |
| 	int sending_complete;
 | |
| 
 | |
| 
 | |
| 	/*! \brief TRUE if we will not use jollys dsp */
 | |
| 	int nodsp;
 | |
| 
 | |
| 	/*! \brief TRUE if we will not use the jitter buffer system */
 | |
| 	int nojitter;
 | |
| 
 | |
| 	/*! \brief Progress Indicator IE coding standard field.
 | |
| 	 * \note Collected from the incoming messages but not used.
 | |
| 	 */
 | |
| 	int progress_coding;
 | |
| 
 | |
| 	/*! \brief Progress Indicator IE location field.
 | |
| 	 * \note Collected from the incoming messages but not used.
 | |
| 	 */
 | |
| 	int progress_location;
 | |
| 
 | |
| 	/*! \brief Progress Indicator IE progress description field.
 | |
| 	 * Used to determine if there is an inband audio message present.
 | |
| 	 */
 | |
| 	int progress_indicator;
 | |
| 
 | |
| #if defined(AST_MISDN_ENHANCEMENTS)
 | |
| 	/*!
 | |
| 	 * \brief TRUE if waiting for DivertingLegInformation3 to queue redirecting update.
 | |
| 	 */
 | |
| 	int div_leg_3_rx_wanted;
 | |
| 
 | |
| 	/*!
 | |
| 	 * \brief TRUE if a DivertingLegInformation3 needs to be sent with CONNECT.
 | |
| 	 */
 | |
| 	int div_leg_3_tx_pending;
 | |
| #endif	/* defined(AST_MISDN_ENHANCEMENTS) */
 | |
| 
 | |
| 	/*! \brief Inbound FACILITY message function type and contents */
 | |
| 	struct FacParm fac_in;
 | |
| 
 | |
| 	/*! \brief Outbound FACILITY message function type and contents.
 | |
| 	 * \note Filled in by misdn facility commands before FACILITY message sent.
 | |
| 	 */
 | |
| 	struct FacParm fac_out;
 | |
| 
 | |
| 	/* storing the current AOCD info here */
 | |
| 	enum FacFunction AOCDtype;
 | |
| 	union {
 | |
| 		struct FacAOCDCurrency currency;
 | |
| 		struct FacAOCDChargingUnit chargingUnit;
 | |
| 	} AOCD;
 | |
| 	/*! \brief TRUE if AOCDtype and AOCD data are ready to export to Asterisk */
 | |
| 	int AOCD_need_export;
 | |
| 
 | |
| 	/*** CRYPTING STUFF ***/
 | |
| 	int crypt;		/* Initialized, Not used */
 | |
| 	int curprx;		/* Initialized, Not used */
 | |
| 	int curptx;		/* Initialized, Not used */
 | |
| 
 | |
| 	/*! \brief Blowfish encryption key string (secret) */
 | |
| 	char crypt_key[255];
 | |
| 
 | |
| 	int crypt_state;	/* Not used */
 | |
| 	/*** CRYPTING STUFF END***/
 | |
| 
 | |
| 	/*! \brief Seems to have been intended for something to do with the jitter buffer.
 | |
| 	 * \note Used as a boolean.  Only initialized to 0 and referenced in a couple places
 | |
| 	 */
 | |
| 	int active;
 | |
| 	int upset;	/* Not used */
 | |
| 
 | |
| 	/*! \brief TRUE if tone generator allowed to start */
 | |
| 	int generate_tone;
 | |
| 
 | |
| 	/*! \brief Number of tone samples to generate */
 | |
| 	int tone_cnt;
 | |
| 
 | |
| 	/*! \brief Current B Channel state */
 | |
| 	enum bchannel_state bc_state;
 | |
| 
 | |
| 	/*! \brief This is used as a pending bridge join request for when bc_state becomes BCHAN_ACTIVATED */
 | |
| 	enum bchannel_state next_bc_state;
 | |
| 
 | |
| 	/*! \brief Bridging conference ID */
 | |
| 	int conf_id;
 | |
| 
 | |
| 	/*! \brief TRUE if this channel is on hold */
 | |
| 	int holded;
 | |
| 
 | |
| 	/*! \brief TRUE if this channel is on the misdn_stack->holding list
 | |
| 	 * \note If TRUE this implies that the structure is also malloced.
 | |
| 	 */
 | |
| 	int stack_holder;
 | |
| 
 | |
| 	/*!
 | |
| 	 * \brief Put a display ie in the CONNECT message
 | |
| 	 * \details
 | |
| 	 * Put a display ie in the CONNECT message containing the following
 | |
| 	 * information if it is available (nt port only):
 | |
| 	 * 0 - Do not put the connected line information in the display ie.
 | |
| 	 * 1 - Put the available connected line name in the display ie.
 | |
| 	 * 2 - Put the available connected line number in the display ie.
 | |
| 	 * 3 - Put the available connected line name and number in the display ie.
 | |
| 	 */
 | |
| 	int display_connected;
 | |
| 
 | |
| 	/*!
 | |
| 	 * \brief Put a display ie in the SETUP message
 | |
| 	 * \details
 | |
| 	 * Put a display ie in the SETUP message containing the following
 | |
| 	 * information if it is available (nt port only):
 | |
| 	 * 0 - Do not put the caller information in the display ie.
 | |
| 	 * 1 - Put the available caller name in the display ie.
 | |
| 	 * 2 - Put the available caller number in the display ie.
 | |
| 	 * 3 - Put the available caller name and number in the display ie.
 | |
| 	 */
 | |
| 	int display_setup;
 | |
| 
 | |
| 	/*!
 | |
| 	 * \brief Select what to do with outgoing COLP information.
 | |
| 	 * \details
 | |
| 	 * 0 - pass (Send out COLP information unaltered.)
 | |
| 	 * 1 - restricted (Force COLP to restricted on all outgoing COLP information.)
 | |
| 	 * 2 - block (Do not send COLP information.)
 | |
| 	 */
 | |
| 	int outgoing_colp;
 | |
| 
 | |
| 	/*! \brief User set presentation restriction code
 | |
| 	 * 0=Allowed, 1=Restricted, 2=Unavailable
 | |
| 	 * \note It is settable by the misdn_set_opt() application.
 | |
| 	 */
 | |
| 	int presentation;
 | |
| 
 | |
| 	/*! \brief TRUE if the user set the presentation restriction code */
 | |
| 	int set_presentation;
 | |
| 
 | |
| 	/*! \brief Notification indicator ie description code */
 | |
| 	enum mISDN_NOTIFY_CODE notify_description_code;
 | |
| 
 | |
| 	/*! \brief SETUP message bearer capability field code value */
 | |
| 	int capability;
 | |
| 
 | |
| 	/*! \brief Companding ALaw/uLaw encoding (INFO_CODEC_ALAW / INFO_CODEC_ULAW) */
 | |
| 	int law;
 | |
| 
 | |
| 	/* V110 Stuff */
 | |
| 	/*! \brief Q.931 Bearer Capability IE Information Transfer Rate field. Initialized to 0x10 (64kbit). Altered by incoming SETUP messages. */
 | |
| 	int rate;
 | |
| 
 | |
| 	/*! \brief Q.931 Bearer Capability IE Transfer Mode field. Initialized to 0 (Circuit). Altered by incoming SETUP messages. */
 | |
| 	int mode;
 | |
| 
 | |
| 	/*! \brief Q.931 Bearer Capability IE User Information Layer 1 Protocol field code.
 | |
| 	 * \note Collected from the incoming SETUP message but not used.
 | |
| 	 */
 | |
| 	int user1;
 | |
| 
 | |
| 	/*! \brief Q.931 Bearer Capability IE Layer 1 User Rate field.
 | |
| 	 * \note Collected from the incoming SETUP message and exported to Asterisk variable MISDN_URATE.
 | |
| 	 */
 | |
| 	int urate;
 | |
| 
 | |
| 	/*! \brief TRUE if call made in digital HDLC mode
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf.
 | |
| 	 * It is also settable by the misdn_set_opt() application.
 | |
| 	 */
 | |
| 	int hdlc;
 | |
| 	/* V110 */
 | |
| 
 | |
| 	/*! \brief Display message that can be displayed by the user phone.
 | |
| 	 * \note Maximum displayable length is 34 or 82 octets.
 | |
| 	 * It is also settable by the misdn_set_opt() application.
 | |
| 	 */
 | |
| 	char display[84];
 | |
| 
 | |
| 	/*! \brief Q.931 Keypad Facility IE contents
 | |
| 	 * \note Contents exported and imported to Asterisk variable MISDN_KEYPAD
 | |
| 	 */
 | |
| 	char keypad[MISDN_MAX_KEYPAD_LEN];
 | |
| 
 | |
| 	/*! \brief Current overlap dialing digits to/from INFORMATION messages */
 | |
| 	char info_dad[MISDN_MAX_NUMBER_LEN];
 | |
| 
 | |
| 	/*! \brief Collected digits to go into info_dad[] while waiting for a SETUP_ACKNOWLEDGE to come in. */
 | |
| 	char infos_pending[MISDN_MAX_NUMBER_LEN];
 | |
| 
 | |
| /* 	unsigned char info_keypad[MISDN_MAX_KEYPAD_LEN]; */
 | |
| /* 	unsigned char clisub[24]; */
 | |
| /* 	unsigned char cldsub[24]; */
 | |
| 
 | |
| 	/*! \brief User-User information string.
 | |
| 	 * \note Contents exported and imported to Asterisk variable MISDN_USERUSER
 | |
| 	 * \note We only support ASCII strings (IA5 characters).
 | |
| 	 */
 | |
|  	char uu[256];
 | |
| 
 | |
| 	/*! \brief User-User information string length in uu[] */
 | |
| 	int uulen;
 | |
| 
 | |
| 	/*! \brief Q.931 Cause for disconnection code (received)
 | |
| 	 * \note Need to use the AST_CAUSE_xxx code definitions in causes.h
 | |
| 	 */
 | |
| 	int cause;
 | |
| 
 | |
| 	/*! \brief Q.931 Cause for disconnection code (sent)
 | |
| 	 * \note Need to use the AST_CAUSE_xxx code definitions in causes.h
 | |
| 	 * \note -1 is used to suppress including the cause code in the RELEASE message.
 | |
| 	 */
 | |
| 	int out_cause;
 | |
| 
 | |
| 	/* struct misdn_bchannel hold_bc; */
 | |
| 
 | |
| 	/** list stuf **/
 | |
| 
 | |
| #ifdef MISDN_1_2
 | |
| 	/*! \brief The configuration string for the mISDN dsp pipeline in /etc/asterisk/misdn.conf. */
 | |
| 	char pipeline[128];
 | |
| #else
 | |
| 	/*! \brief TRUE if the echo cancellor is enabled */
 | |
| 	int ec_enable;
 | |
| 
 | |
| 	/*! \brief Number of taps in the echo cancellor when enabled.
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf (echocancel)
 | |
| 	 */
 | |
| 	int ec_deftaps;
 | |
| #endif
 | |
| 
 | |
| 	/*! \brief TRUE if the channel was allocated from the available B channels */
 | |
| 	int channel_found;
 | |
| 
 | |
| 	/*! \brief Who originated the call (ORG_AST, ORG_MISDN)
 | |
| 	 * \note Set but not used when the misdn_set_opt() application enables echo cancellation.
 | |
| 	 */
 | |
| 	int orig;
 | |
| 
 | |
| 	/*! \brief Tx gain setting (range -8 to 8)
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf.
 | |
| 	 * It is also settable by the misdn_set_opt() application.
 | |
| 	 */
 | |
| 	int txgain;
 | |
| 
 | |
| 	/*! \brief Rx gain setting (range -8 to 8)
 | |
| 	 * \note This value is user configurable in /etc/asterisk/misdn.conf.
 | |
| 	 * It is also settable by the misdn_set_opt() application.
 | |
| 	 */
 | |
| 	int rxgain;
 | |
| 
 | |
| 	/*! \brief Next node in the misdn_stack.holding list */
 | |
| 	struct misdn_bchannel *next;
 | |
| };
 | |
| 
 | |
| 
 | |
| extern enum event_response_e (*cb_event) (enum event_e event, struct misdn_bchannel *bc, void *user_data);
 | |
| 
 | |
| extern void (*cb_log) (int level, int port, char *tmpl, ...)
 | |
| 	__attribute__ ((format (printf, 3, 4)));
 | |
| 
 | |
| extern int (*cb_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len);
 | |
| 
 | |
| struct misdn_lib_iface {
 | |
| 	enum event_response_e (*cb_event)(enum event_e event, struct misdn_bchannel *bc, void *user_data);
 | |
| 	void (*cb_log)(int level, int port, char *tmpl, ...)
 | |
| 		__attribute__ ((format (printf, 3, 4)));
 | |
| 	int (*cb_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len);
 | |
| };
 | |
| 
 | |
| /***** USER IFACE **********/
 | |
| 
 | |
| void misdn_lib_nt_keepcalls(int kc);
 | |
| 
 | |
| void misdn_lib_nt_debug_init( int flags, char *file );
 | |
| 
 | |
| int misdn_lib_init(char *portlist, struct misdn_lib_iface* iface, void *user_data);
 | |
| int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event );
 | |
| void misdn_lib_destroy(void);
 | |
| 
 | |
| void misdn_lib_isdn_l1watcher(int port);
 | |
| 
 | |
| void misdn_lib_log_ies(struct misdn_bchannel *bc);
 | |
| 
 | |
| char *manager_isdn_get_info(enum event_e event);
 | |
| 
 | |
| struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec);
 | |
| #if defined(AST_MISDN_ENHANCEMENTS)
 | |
| struct misdn_bchannel *misdn_lib_get_register_bc(int port);
 | |
| #endif	/* defined(AST_MISDN_ENHANCEMENTS) */
 | |
| 
 | |
| void manager_bchannel_activate(struct misdn_bchannel *bc);
 | |
| void manager_bchannel_deactivate(struct misdn_bchannel * bc);
 | |
| 
 | |
| int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len);
 | |
| 
 | |
| void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2);
 | |
| 
 | |
| void isdn_lib_update_rxgain (struct misdn_bchannel *bc);
 | |
| void isdn_lib_update_txgain (struct misdn_bchannel *bc);
 | |
| void isdn_lib_update_ec (struct misdn_bchannel *bc);
 | |
| void isdn_lib_stop_dtmf (struct misdn_bchannel *bc);
 | |
| 
 | |
| int misdn_lib_port_restart(int port);
 | |
| int misdn_lib_pid_restart(int pid);
 | |
| int misdn_lib_send_restart(int port, int channel);
 | |
| 
 | |
| int misdn_lib_get_port_info(int port);
 | |
| 
 | |
| int misdn_lib_is_port_blocked(int port);
 | |
| int misdn_lib_port_block(int port);
 | |
| int misdn_lib_port_unblock(int port);
 | |
| 
 | |
| int misdn_lib_port_is_pri(int port);
 | |
| int misdn_lib_port_is_nt(int port);
 | |
| 
 | |
| int misdn_lib_port_up(int port, int notcheck);
 | |
| 
 | |
| int misdn_lib_get_port_down(int port);
 | |
| 
 | |
| int misdn_lib_get_port_up (int port) ;
 | |
| 
 | |
| int misdn_lib_maxports_get(void) ;
 | |
| 
 | |
| struct misdn_bchannel *misdn_lib_find_held_bc(int port, int l3_id);
 | |
| void misdn_lib_release(struct misdn_bchannel *bc);
 | |
| 
 | |
| int misdn_cap_is_speech(int cap);
 | |
| int misdn_inband_avail(struct misdn_bchannel *bc);
 | |
| 
 | |
| void manager_ec_enable(struct misdn_bchannel *bc);
 | |
| void manager_ec_disable(struct misdn_bchannel *bc);
 | |
| 
 | |
| void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone);
 | |
| 
 | |
| void get_show_stack_details(int port, char *buf);
 | |
| 
 | |
| 
 | |
| void misdn_lib_tone_generator_start(struct misdn_bchannel *bc);
 | |
| void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc);
 | |
| 
 | |
| 
 | |
| void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2);
 | |
| void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2);
 | |
| 
 | |
| void misdn_lib_echo(struct misdn_bchannel *bc, int onoff);
 | |
| 
 | |
| int misdn_lib_is_ptp(int port);
 | |
| int misdn_lib_get_maxchans(int port);
 | |
| 
 | |
| void misdn_lib_reinit_nt_stack(int port);
 | |
| 
 | |
| #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
 | |
| 
 | |
| 
 | |
| 
 | |
| char *bc_state2str(enum bchannel_state state);
 | |
| void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state);
 | |
| 
 | |
| void misdn_dump_chanlist(void);
 | |
| 
 | |
| void misdn_make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel);
 | |
| 
 | |
| 
 | |
| #endif	/* TE_LIB */
 |