/* * Chan_Misdn -- Channel Driver for Asterisk * * Interface to mISDN * * Copyright (C) 2004, Christian Richter * * Christian Richter * * This program is free software, distributed under the terms of * the GNU General Public License */ /*! \file * \brief Interface to mISDN * * \author Christian Richter */ #ifndef TE_LIB #define TE_LIB #include /** For initialization usage **/ /* typedef int ie_nothing_t ;*/ /** end of init usage **/ /* * uncomment the following to make chan_misdn create * record files in /tmp/misdn-{rx|tx}-PortChannel format * */ /*#define MISDN_SAVE_DATA*/ #ifdef WITH_BEROEC typedef int beroec_t; enum beroec_type { BEROEC_FULLBAND=0, BEROEC_SUBBAND, BEROEC_FASTSUBBAND }; void beroec_init(void); void beroec_exit(void); beroec_t *beroec_new(int tail, enum beroec_type type, int anti_howl, int tonedisable, int zerocoeff, int adapt, int nlp); void beroec_destroy(beroec_t *ec); int beroec_cancel_alaw_chunk(beroec_t *ec, char *send, char *receive, int len); int beroec_version(void); #endif enum tone_e { TONE_NONE=0, TONE_DIAL, TONE_ALERTING, TONE_FAR_ALERTING, TONE_BUSY, TONE_HANGUP, TONE_CUSTOM, TONE_FILE }; #define MAX_BCHANS 31 enum bchannel_state { BCHAN_CLEANED=0, BCHAN_EMPTY, BCHAN_SETUP, BCHAN_SETUPED, BCHAN_ACTIVE, BCHAN_ACTIVATED, BCHAN_BRIDGE, BCHAN_BRIDGED, BCHAN_RELEASE, BCHAN_RELEASED, BCHAN_CLEAN, BCHAN_CLEAN_REQUEST, BCHAN_ERROR }; enum misdn_err_e { ENOCHAN=1 }; enum mISDN_NUMBER_PLAN { NUMPLAN_UNKNOWN = 0x0, NUMPLAN_ISDN = 0x1, /* ISDN/Telephony numbering plan E.164 */ NUMPLAN_DATA = 0x3, /* Data numbering plan X.121 */ NUMPLAN_TELEX = 0x4, /* Telex numbering plan F.69 */ NUMPLAN_NATIONAL = 0x8, NUMPLAN_PRIVATE = 0x9 }; enum mISDN_NUMBER_TYPE { NUMTYPE_UNKNOWN = 0x0, NUMTYPE_INTERNATIONAL = 0x1, NUMTYPE_NATIONAL = 0x2, NUMTYPE_NETWORK_SPECIFIC = 0x3, NUMTYPE_SUBSCRIBER = 0x4, NUMTYPE_ABBREVIATED = 0x5 }; enum event_response_e { RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE, RESPONSE_IGNORE_SETUP, RESPONSE_RELEASE_SETUP, RESPONSE_ERR, RESPONSE_OK }; enum event_e { EVENT_NOTHING, EVENT_TONE_GENERATE, EVENT_BCHAN_DATA, EVENT_BCHAN_ACTIVATED, EVENT_BCHAN_ERROR, EVENT_CLEANUP, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_SETUP, EVENT_REGISTER, EVENT_ALERTING, EVENT_CONNECT, EVENT_SETUP_ACKNOWLEDGE, EVENT_CONNECT_ACKNOWLEDGE , EVENT_USER_INFORMATION, EVENT_SUSPEND_REJECT, EVENT_RESUME_REJECT, EVENT_HOLD, EVENT_SUSPEND, EVENT_RESUME, EVENT_HOLD_ACKNOWLEDGE, EVENT_SUSPEND_ACKNOWLEDGE, EVENT_RESUME_ACKNOWLEDGE, EVENT_HOLD_REJECT, EVENT_RETRIEVE, EVENT_RETRIEVE_ACKNOWLEDGE, EVENT_RETRIEVE_REJECT, EVENT_DISCONNECT, EVENT_RESTART, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_FACILITY, EVENT_NOTIFY, EVENT_STATUS_ENQUIRY, EVENT_INFORMATION, EVENT_STATUS, EVENT_TIMEOUT, EVENT_DTMF_TONE, EVENT_NEW_L3ID, EVENT_NEW_BC, EVENT_PORT_ALARM, EVENT_NEW_CHANNEL, EVENT_UNKNOWN }; enum ie_name_e { IE_DUMMY, IE_LAST }; enum { /* bearer capability */ INFO_CAPABILITY_SPEECH=0, INFO_CAPABILITY_AUDIO_3_1K=0x10 , INFO_CAPABILITY_AUDIO_7K=0x11 , INFO_CAPABILITY_VIDEO =0x18, INFO_CAPABILITY_DIGITAL_UNRESTRICTED =0x8, INFO_CAPABILITY_DIGITAL_RESTRICTED =0x09, INFO_CAPABILITY_DIGITAL_UNRESTRICTED_TONES }; enum { /* progress indicators */ INFO_PI_CALL_NOT_E2E_ISDN =0x01, INFO_PI_CALLED_NOT_ISDN =0x02, INFO_PI_CALLER_NOT_ISDN =0x03, INFO_PI_CALLER_RETURNED_TO_ISDN =0x04, INFO_PI_INBAND_AVAILABLE =0x08, INFO_PI_DELAY_AT_INTERF =0x0a, INFO_PI_INTERWORKING_WITH_PUBLIC =0x10, INFO_PI_INTERWORKING_NO_RELEASE =0x11, INFO_PI_INTERWORKING_NO_RELEASE_PRE_ANSWER =0x12, INFO_PI_INTERWORKING_NO_RELEASE_POST_ANSWER =0x13 }; /*! * \brief Q.931 encoded redirecting reason */ enum mISDN_REDIRECTING_REASON { mISDN_REDIRECTING_REASON_UNKNOWN = 0x0, /*! Call forwarding busy or called DTE busy */ mISDN_REDIRECTING_REASON_CALL_FWD_BUSY = 0x1, /*! Call forwarding no reply */ mISDN_REDIRECTING_REASON_NO_REPLY = 0x2, /*! Call deflection */ mISDN_REDIRECTING_REASON_DEFLECTION = 0x4, /*! Called DTE out of order */ mISDN_REDIRECTING_REASON_OUT_OF_ORDER = 0x9, /*! Call forwarding by the called DTE */ mISDN_REDIRECTING_REASON_CALL_FWD_DTE = 0xA, /*! Call forwarding unconditional or systematic call redirection */ mISDN_REDIRECTING_REASON_CALL_FWD = 0xF }; /*! * \brief Notification description code enumeration */ enum mISDN_NOTIFY_CODE { mISDN_NOTIFY_CODE_INVALID = -1, /*! Call is placed on hold (Q.931) */ mISDN_NOTIFY_CODE_USER_SUSPEND = 0x00, /*! Call is taken off of hold (Q.931) */ mISDN_NOTIFY_CODE_USER_RESUME = 0x01, /*! Call is diverting (EN 300 207-1 Section 7.2.1) */ mISDN_NOTIFY_CODE_CALL_IS_DIVERTING = 0x7B, /*! Call diversion is enabled (cfu, cfb, cfnr) (EN 300 207-1 Section 7.2.1) */ mISDN_NOTIFY_CODE_DIVERSION_ACTIVATED = 0x68, /*! Call transfer, alerting (EN 300 369-1 Section 7.2) */ mISDN_NOTIFY_CODE_CALL_TRANSFER_ALERTING = 0x69, /*! Call transfer, active(answered) (EN 300 369-1 Section 7.2) */ mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE = 0x6A, }; enum { /*CODECS*/ INFO_CODEC_ULAW=2, INFO_CODEC_ALAW=3 }; enum layer_e { L3, L2, L1, UNKNOWN }; /*! Maximum phone number (address) length plus null terminator */ #define MISDN_MAX_NUMBER_LEN (31 + 1) /*! Maximum name length plus null terminator (From ECMA-164) */ #define MISDN_MAX_NAME_LEN (50 + 1) /*! Maximum subaddress length plus null terminator */ #define MISDN_MAX_SUBADDRESS_LEN (23 + 1) /*! Maximum keypad facility content length plus null terminator */ #define MISDN_MAX_KEYPAD_LEN (31 + 1) /*! \brief Dialed/Called information struct */ struct misdn_party_dialing { /*! \brief Type-of-number in ISDN terms for the dialed/called number */ enum mISDN_NUMBER_TYPE number_type; /*! \brief Type-of-number numbering plan. */ enum mISDN_NUMBER_PLAN number_plan; /*! \brief Dialed/Called Phone Number (Address) */ char number[MISDN_MAX_NUMBER_LEN]; /*! \brief Dialed/Called Subaddress number */ char subaddress[MISDN_MAX_SUBADDRESS_LEN]; }; /*! \brief Connected-Line/Calling/Redirecting ID info struct */ struct misdn_party_id { /*! \brief Number presentation restriction code * 0=Allowed, 1=Restricted, 2=Unavailable */ int presentation; /*! \brief Number screening code * 0=Unscreened, 1=Passed Screen, 2=Failed Screen, 3=Network Number */ int screening; /*! \brief Type-of-number in ISDN terms for the number */ enum mISDN_NUMBER_TYPE number_type; /*! \brief Type-of-number numbering plan. */ enum mISDN_NUMBER_PLAN number_plan; /*! \brief Subscriber Name * \note The name is currently obtained from Asterisk for * potential use in display ie's since basic ISDN does * not support names directly. */ char name[MISDN_MAX_NAME_LEN]; /*! \brief Phone number (Address) */ char number[MISDN_MAX_NUMBER_LEN]; /*! \brief Subaddress number */ char subaddress[MISDN_MAX_SUBADDRESS_LEN]; }; /*! \brief Redirecting information struct */ struct misdn_party_redirecting { /*! \brief Who is redirecting the call (Sent to the party the call is redirected toward) */ struct misdn_party_id from; /*! \brief Where the call is being redirected toward (Sent to the calling party) */ struct misdn_party_id to; /*! \brief Reason a call is being redirected (Q.931 field value) */ enum mISDN_REDIRECTING_REASON reason; /*! \brief Number of times the call has been redirected */ int count; /*! \brief TRUE if the redirecting.to information has changed */ int to_changed; }; /*! \brief B channel control structure */ struct misdn_bchannel { /*! \brief B channel send locking structure */ struct send_lock *send_lock; #if defined(AST_MISDN_ENHANCEMENTS) /*! \brief The BC, HLC (optional) and LLC (optional) contents from the SETUP message. */ struct Q931_Bc_Hlc_Llc setup_bc_hlc_llc; #endif /* defined(AST_MISDN_ENHANCEMENTS) */ /*! * \brief Dialed/Called information struct * \note The number_type element is set to "dialplan" in /etc/asterisk/misdn.conf for outgoing calls */ struct misdn_party_dialing dialed; /*! \brief Originating/Caller ID information struct * \note The number_type element can be set to "localdialplan" in /etc/asterisk/misdn.conf for outgoing calls * \note The number element can be set to "callerid" in /etc/asterisk/misdn.conf for outgoing calls */ struct misdn_party_id caller; /*! \brief Incoming Caller ID string tag for special purpose * \note The element can be set to "incoming_cid_tag" in /etc/asterisk/misdn.conf for incoming calls */ char incoming_cid_tag[MISDN_MAX_NAME_LEN]; /*! \brief Connected-Party/Connected-Line ID information struct * \note The number_type element can be set to "cpndialplan" in /etc/asterisk/misdn.conf for outgoing calls */ struct misdn_party_id connected; /*! \brief Redirecting information struct (Where a call diversion or transfer was invoked) * \note The redirecting subaddress is not defined in Q.931 so it is not used. */ struct misdn_party_redirecting redirecting; /*! \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; /** init stuff **/ /*! \brief B Channel mISDN driver stack ID */ int b_stid; /* int b_addr; */ /*! \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; /*! \brief TRUE if allocate higher B channels first */ int dec; /* var stuff */ /*! \brief Layer 3 process ID */ int l3_id; /*! \brief B channel process ID (1-5000) */ 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; /*! \brief Event waiting for Layer 1 to come up */ enum event_e evq; /*** 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_setup_bc(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 */