1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** message types and parameters **
10 \*****************************************************************************/
12 #define ISDN_TRANSMIT 256 // samples
14 enum { /* interface types */
16 INFO_ITYPE_ISDN_EXTENSION, /* call from internal extension */
21 enum { /* number types */
23 INFO_NTYPE_SUBSCRIBER,
25 INFO_NTYPE_INTERNATIONAL,
28 enum { /* number presentation */
31 INFO_PRESENT_RESTRICTED,
32 INFO_PRESENT_NOTAVAIL,
35 enum { /* number presentation */
36 INFO_SCREEN_USER, /* user provided */
37 INFO_SCREEN_NETWORK, /* network provided */
40 enum { /* redirection reason */
43 INFO_REDIR_NORESPONSE,
44 INFO_REDIR_UNCONDITIONAL,
45 INFO_REDIR_OUTOFORDER,
46 INFO_REDIR_CALLDEFLECT,
49 #define INFO_NOTIFY_NONE 0x00
50 #define INFO_NOTIFY_USER_SUSPENDED 0x80
51 #define INFO_NOTIFY_USER_RESUMED 0x81
52 #define INFO_NOTIFY_BEARER_SERVICE_CHANGED 0x82
53 #define INFO_NOTIFY_CALL_COMPLETION_DELAY 0x83
54 #define INFO_NOTIFY_CONFERENCE_ESTABLISHED 0xc2
55 #define INFO_NOTIFY_CONFERENCE_DISCONNECTED 0xc3
56 #define INFO_NOTIFY_OTHER_PARTY_ADDED 0xc4
57 #define INFO_NOTIFY_ISOLATED 0xc5
58 #define INFO_NOTIFY_REATTACHED 0xc6
59 #define INFO_NOTIFY_OTHER_PARTY_ISOLATED 0xc7
60 #define INFO_NOTIFY_OTHER_PARTY_REATTACHED 0xc8
61 #define INFO_NOTIFY_OTHER_PARTY_SPLIT 0xc9
62 #define INFO_NOTIFY_OTHER_PARTY_DISCONNECTED 0xca
63 #define INFO_NOTIFY_CONFERENCE_FLOATING 0xcb
64 #define INFO_NOTIFY_CONFERENCE_DISCONNECTED_P 0xcc /* preemted */
65 #define INFO_NOTIFY_CONFERENCE_FLOATING_S_U_P 0xcf /* served user preemted */
66 #define INFO_NOTIFY_CALL_IS_A_WAITING_CALL 0xe0
67 #define INFO_NOTIFY_DIVERSION_ACTIVATED 0xe8
68 #define INFO_NOTIFY_RESERVED_CT_1 0xe9
69 #define INFO_NOTIFY_RESERVED_CT_2 0xea
70 #define INFO_NOTIFY_REVERSE_CHARGING 0xee
71 #define INFO_NOTIFY_REMOTE_HOLD 0xf9
72 #define INFO_NOTIFY_REMOTE_RETRIEVAL 0xfa
73 #define INFO_NOTIFY_CALL_IS_DIVERTING 0xfb
75 enum { /* diversion types */
82 /* bearer capabilities */
83 #define INFO_BC_SPEECH 0x00
84 #define INFO_BC_DATAUNRESTRICTED 0x08
85 #define INFO_BC_DATARESTRICTED 0x09
86 #define INFO_BC_AUDIO 0x10
87 #define INFO_BC_DATAUNRESTRICTED_TONES 0x11
88 #define INFO_BC_VIDEO 0x18
91 #define INFO_BMODE_CIRCUIT 0
92 #define INFO_BMODE_PACKET 2
95 #define INFO_INFO1_NONE 0x00
96 #define INFO_INFO1_V110 0x81
97 #define INFO_INFO1_ULAW 0x82
98 #define INFO_INFO1_ALAW 0x83
99 #define INFO_INFO1_G721 0x84
100 #define INFO_INFO1_H221H242 0x85
101 #define INFO_INFO1_NONCCITT 0x87
102 #define INFO_INFO1_V120 0x88
103 #define INFO_INFO1_X31HDLC 0x89
106 #define INFO_HLC_NONE 0x00
107 #define INFO_HLC_TELEPHONY 0x81
108 #define INFO_HLC_FAXG2G3 0x84
109 #define INFO_HLC_FAXG4 0xa1
110 #define INFO_HLC_TELETEX1 0xa4
111 #define INFO_HLC_TELETEX2 0xa8
112 #define INFO_HLC_TELETEX3 0xb1
113 #define INFO_HLC_VIDEOTEX1 0xb2
114 #define INFO_HLC_VIDEOTEX2 0xb3
115 #define INFO_HLC_TELEX 0xb5
116 #define INFO_HLC_MHS 0xb8
117 #define INFO_HLC_OSI 0xc1
118 #define INFO_HLC_MAINTENANCE 0xde
119 #define INFO_HLC_MANAGEMENT 0xdf
120 #define INFO_HLC_AUDIOVISUAL 0xe0
122 enum { /* isdnsignal */
123 mISDNSIGNAL_VOLUME, /* change volume */
124 mISDNSIGNAL_CONF, /* joint/split conference */
125 mISDNSIGNAL_JOINDATA, /* data required by join instance */
126 mISDNSIGNAL_ECHO, /* enable/disable echoe */
127 mISDNSIGNAL_DELAY, /* use delay or adaptive jitter */
130 enum { /* bchannel assignment */
131 BCHANNEL_REQUEST, /* application requests bchannel */
132 BCHANNEL_ASSIGN, /* bchannel assigned by LCR */
133 BCHANNEL_ASSIGN_ACK, /* application acknowledges */
134 BCHANNEL_REMOVE, /* bchannel removed by LCR */
135 BCHANNEL_REMOVE_ACK, /* application acknowledges */
138 B_STATE_IDLE, /* not open */
139 B_STATE_ACTIVATING, /* DL_ESTABLISH sent */
140 B_STATE_ACTIVE, /* channel active */
141 B_STATE_DEACTIVATING, /* DL_RELEASE sent */
142 B_STATE_EXPORTING, /* BCHANNEL_ASSIGN sent */
143 B_STATE_REMOTE, /* bchannel assigned to remote application */
144 B_STATE_IMPORTING, /* BCHANNEL_REMOVE sent */
147 B_EVENT_USE, /* activate/export bchannel */
148 B_EVENT_EXPORTREQUEST, /* remote app requests bchannel */
149 B_EVENT_ACTIVATED, /* DL_ESTABLISH received */
150 B_EVENT_DROP, /* deactivate/re-import bchannel */
151 B_EVENT_DEACTIVATED, /* DL_RELEASE received */
152 B_EVENT_EXPORTED, /* BCHANNEL_ASSIGN received */
153 B_EVENT_IMPORTED, /* BCHANNEL_REMOVE received */
154 B_EVENT_TIMEOUT, /* timeout for bchannel state */
157 /* call-info structure CALLER */
159 char id[32]; /* id of caller (user number) */
160 char extension[32]; /* internal id */
162 int isdn_port; /* internal/external port (if call is isdn) */
163 char interface[32]; /* interface name the call was from */
164 int itype; /* type of interface */
165 int ntype; /* type of number */
166 int present; /* presentation */
167 int screen; /* who provided the number */
168 char display[84]; /* display information */
171 /* call-info structure DIALING */
172 struct dialing_info {
173 char id[256]; /* number dialing (so far) */
174 char interfaces[128]; /* interfaces for extenal calls */
175 int itype; /* type of interface */
176 int ntype; /* type of number */
177 int sending_complete; /* end of dialing */
180 /* call-info structure CONNECT */
181 struct connect_info {
182 char id[32]; /* id of caller (user number) */
183 char extension[32]; /* internal id */
185 int isdn_port; /* internal/external port (if call is isdn) */
186 char interface[128]; /* interface for extenal calls */
187 int itype; /* type of interface */
188 int ntype; /* type of number */
189 int present; /* presentation */
190 int screen; /* who provided the number */
191 char display[84]; /* display information */
194 /* call-info structure DISCONNECT */
195 struct disconnect_info {
196 int cause; /* reason for disconnect */
197 int location; /* disconnect location */
198 char display[84]; /* optional display information */
201 /* call-info structure REDIR */
203 char id[32]; /* id of caller (user number) */
204 char extension[32]; /* internal id */
205 int isdn_port; /* internal/external port (if call is isdn) */
206 int itype; /* type of interface */
207 int ntype; /* type of number */
208 int present; /* presentation */
209 int screen; /* who provided the number */
210 int reason; /* reason for redirecing */
213 /* call-info structure capability */
215 int bearer_capa; /* capability */
216 int bearer_mode; /* circuit/packet */
217 int bearer_info1; /* alaw,ulaw,... */
218 int hlc; /* hlc capability */
219 int exthlc; /* extendet hlc */
222 /* call-info structure NOTIFY */
224 int notify; /* notifications (see INFO_NOTIFY_*) */
225 char id[32]; /* redirection id (user number) */
226 char extension[32]; /* internal id */
227 int isdn_port; /* internal/external port (if call is isdn) */
228 int itype; /* type of interface */
229 int ntype; /* type of number */
230 int present; /* redirection presentation */
231 char display[84]; /* display information */
232 int local; /* if set, endpoints gets information about audio channel (open/close) */
235 /* call-info structure FACILITY */
236 struct facility_info {
237 char data[256]; /* data info about facility */
238 int len; /* length of facility content */
241 /* call-info structure USERUSER */
242 struct useruser_info {
245 unsigned char data[128]; /* user-user info (not a sting!)*/
248 /* call-info structure SETUP */
249 struct message_setup {
250 int isdn_port; /* card number 1...n (only on calls from isdn port) */
251 int port_type; /* type of port (only required if message is port -> epoint) */
252 int dtmf; /* used to enabled dtmf dialing at setup state */
253 int partyline; /* if set, call will be a conference room */
254 int partyline_jingle; /* if set, the jingle will be played on conference join */
255 struct caller_info callerinfo; /* information about the caller */
256 struct dialing_info dialinginfo; /* information about dialing */
257 struct redir_info redirinfo; /* info on redirection (to the calling user) */
258 struct capa_info capainfo; /* info on l2,l3 capability */
259 struct useruser_info useruser; /* user-user */
262 /* call-info structure PARK */
270 unsigned char data[ISDN_TRANSMIT]; /* audio/hdlc data */
271 int len; /* audio/hdlc data */
275 char file[512]; /* file name */
276 int offset; /* offset to start file at (in seconds) */
280 char dir[128]; /* directory */
281 char name[128]; /* file name */
284 struct param_counter {
285 int current; /* current counter in seconds */
286 int max; /* total size of file (0=no info) */
289 struct param_mISDNsignal {
300 /* encryption control structure CRYPT */
302 int type; /* see messages in crypt.h */
304 unsigned char data[512+32]; /* a block of 512 byte + some overhead */
308 char application[32]; /* name of remote application */
311 struct param_bchannel {
312 int type; /* BCHANNEL_* */
313 unsigned long handle; /* bchannel stack/portid */
314 int tx_gain, rx_gain;
316 unsigned char crypt[128];
318 int crypt_type; /* 1 = blowfish */
321 /* structure of message parameter */
323 struct param_tone tone; /* MESSAGE_TONE */
324 char dtmf; /* MESSAGE_DTMF */
325 struct message_setup setup; /* MESSAGE_SETUP */
326 struct dialing_info information; /* MESSAGE_INFO */
327 struct connect_info connectinfo; /* CONNECT INFO */
328 struct disconnect_info disconnectinfo; /* DISCONNECT INFO */
329 struct notify_info notifyinfo; /* some notifications */
330 struct facility_info facilityinfo; /* some notifications */
331 struct park_info parkinfo; /* MESSAGE_SUSPEND, MESSAGE_RESUME */
332 int state; /* MESSAGE_TIMEOUT */
333 int knock; /* MESSAGE_KNOCK 0=off !0=on */
334 int audiopath; /* MESSAGE_audiopath see RELATION_CHANNEL_* (join.h) */
335 struct param_data data; /* MESSAGE_DATA */
336 struct param_play play; /* MESSAGE_VBOX_PLAY */
337 int speed; /* MESSAGE_VBOX_PLAY_SPEED */
338 struct param_counter counter; /* MESSAGE_TONE_COUNTER */
339 struct param_mISDNsignal mISDNsignal; /* MESSAGE_mISDNSIGNAL */
340 struct extension ext; /* tell port about extension information */
341 struct param_crypt crypt; /* MESSAGE_CRYPT */
342 struct param_hello hello; /* MESSAGE_HELLO */
343 struct param_bchannel bchannel; /* MESSAGE_BCHANNEL */
344 int direction; /* MESSAGE_NEWREF */
347 enum { /* message flow */
354 /* message structure */
356 struct lcr_msg *next;
357 int type; /* type of message */
358 int flow; /* from where to where */
359 unsigned long id_from; /* in case of flow==PORT_TO_EPOINT: id_from is the port's serial, id_to is the epoint's serial */
362 union parameter param;
365 enum { /* messages between entities */
366 MESSAGE_NONE, /* no message */
367 MESSAGE_TONE, /* set information tone (to isdn port) */
368 MESSAGE_DTMF, /* dtmf digit (from isdn port) */
369 MESSAGE_mISDNSIGNAL, /* special mixer command (down to isdn port) */
370 MESSAGE_SETUP, /* setup message */
371 MESSAGE_INFORMATION, /* additional digit information */
372 MESSAGE_OVERLAP, /* call accepted, send more information */
373 MESSAGE_PROCEEDING, /* proceeding */
374 MESSAGE_ALERTING, /* ringing */
375 MESSAGE_CONNECT, /* connect */
376 MESSAGE_DISCONNECT, /* disconnect with cause */
377 MESSAGE_RELEASE, /* release with cause */
378 MESSAGE_TIMEOUT, /* protocol state has timed out (port->epoint) */
379 MESSAGE_NOTIFY, /* used to send progress and notify infos */
380 MESSAGE_FACILITY, /* used to facility infos, like aocd */
381 MESSAGE_SUSPEND, /* suspend port */
382 MESSAGE_RESUME, /* resume port */
383 MESSAGE_AUDIOPATH, /* set status of audio path to endpoint (to call, audio is also set) */
384 // MESSAGE_REMOTE_AUDIO, /* tell remote to set audio status */
385 MESSAGE_PATTERN, /* pattern information tones available */
386 MESSAGE_NOPATTERN, /* pattern information tones unavailable */
387 MESSAGE_CRYPT, /* encryption message */
388 MESSAGE_DATA, /* audio/hdlc data */
389 MESSAGE_VBOX_PLAY, /* play recorded file */
390 MESSAGE_VBOX_PLAY_SPEED,/* change speed of file */
391 MESSAGE_VBOX_TONE, /* set answering VBOX tone */
392 MESSAGE_TONE_COUNTER, /* tone counter (for VBOX tone use) */
393 MESSAGE_TONE_EOF, /* tone is end of file */
394 MESSAGE_BCHANNEL, /* request/assign/remove bchannel */
395 MESSAGE_HELLO, /* hello message for remote application */
396 MESSAGE_NEWREF, /* special message to create and inform ref */
399 #define MESSAGES static const char *messages_txt[] = { \
403 "MESSAGE_mISDNSIGNAL", \
405 "MESSAGE_INFORMATION", \
407 "MESSAGE_PROCEEDING", \
408 "MESSAGE_ALERTING", \
410 "MESSAGE_DISCONNECT", \
414 "MESSAGE_FACILITY", \
417 "MESSAGE_AUDIOPATH", \
418 /* "MESSAGE_REMOTE_AUDIO",*/ \
420 "MESSAGE_NOPATTERN", \
423 "MESSAGE_VBOX_PLAY", \
424 "MESSAGE_VBOX_PLAY_SPEED", \
425 "MESSAGE_VBOX_TONE", \
426 "MESSAGE_TONE_COUNTER", \
427 "MESSAGE_TONE_EOF", \
428 "MESSAGE_BCHANNEL", \
434 struct lcr_msg *message_create(int id_from, int id_to, int flow, int type);
435 void message_put(struct lcr_msg *message);
436 struct lcr_msg *message_forward(int id_from, int id_to, int flow, union parameter *param);
437 struct lcr_msg *message_get(void);
438 void message_free(struct lcr_msg *message);