1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** message types and parameters **
10 \*****************************************************************************/
12 enum { /* interface types */
13 INFO_ITYPE_ISDN, /* call from external */
14 INFO_ITYPE_ISDN_EXTENSION, /* call from internal extension */
19 enum { /* number types */
20 INFO_NTYPE_NOTPRESENT = 0,
22 INFO_NTYPE_SUBSCRIBER,
24 INFO_NTYPE_INTERNATIONAL
27 enum { /* number presentation */
28 INFO_PRESENT_NOTAVAIL,
30 INFO_PRESENT_RESTRICTED
33 enum { /* number presentation */
34 INFO_SCREEN_USER, /* user provided */
35 INFO_SCREEN_USER_VERIFIED_PASSED,
36 INFO_SCREEN_USER_VERIFIED_FAILED,
37 INFO_SCREEN_NETWORK /* network provided */
40 enum { /* redirection reason */
41 INFO_REDIR_UNKNOWN = 0,
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_RELEASE, /* application releases bchannel */
133 BCHANNEL_ASSIGN, /* bchannel assigned by LCR */
134 BCHANNEL_ASSIGN_ACK, /* application acknowledges */
135 BCHANNEL_REMOVE, /* bchannel removed by LCR */
136 BCHANNEL_REMOVE_ACK, /* application acknowledges */
139 B_STATE_IDLE, /* not open */
140 B_STATE_ACTIVATING, /* DL_ESTABLISH sent */
141 B_STATE_ACTIVE, /* channel active */
142 B_STATE_DEACTIVATING, /* DL_RELEASE sent */
143 B_STATE_EXPORTING, /* BCHANNEL_ASSIGN sent */
144 B_STATE_REMOTE, /* bchannel assigned to remote application */
145 B_STATE_IMPORTING, /* BCHANNEL_REMOVE sent */
148 B_MODE_TRANSPARENT, /* normal transparent audio */
149 B_MODE_HDLC, /* hdlc data mode */
152 /* call-info structure CALLER */
154 char id[32]; /* id of caller (user number) */
155 char extension[32]; /* internal id */
157 int isdn_port; /* internal/external port (if call is isdn) */
158 char interface[32]; /* interface name the call was from */
159 int itype; /* type of interface */
160 int ntype; /* type of number */
161 int present; /* presentation */
162 int screen; /* who provided the number */
163 char display[84]; /* display information */
164 char id2[32]; /* second callerid */
165 int ntype2; /* second type of number */
166 int present2; /* second presentation */
167 int screen2; /* second who provided the number */
168 char imsi[16]; /* IMSI for gsm originated calls */
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 */
178 char display[84]; /* display information */
179 char keypad[33]; /* send keypad facility */
182 /* call-info structure CONNECT */
183 struct connect_info {
184 char id[32]; /* id of caller (user number) */
185 char extension[32]; /* internal id */
187 int isdn_port; /* internal/external port (if call is isdn) */
188 char interface[128]; /* interface for extenal calls */
189 int itype; /* type of interface */
190 int ntype; /* type of number */
191 int present; /* presentation */
192 int screen; /* who provided the number */
193 char display[84]; /* display information */
194 char imsi[16]; /* IMSI for gsm terminated calls */
197 /* call-info structure DISCONNECT */
198 struct disconnect_info {
199 int cause; /* reason for disconnect */
200 int location; /* disconnect location */
201 char display[84]; /* optional display information */
202 int force; /* special flag to release imediately */
205 /* call-info structure REDIR */
207 char id[32]; /* id of caller (user number) */
208 char extension[32]; /* internal id */
209 int isdn_port; /* internal/external port (if call is isdn) */
210 int itype; /* type of interface */
211 int ntype; /* type of number */
212 int present; /* presentation */
213 int screen; /* who provided the number */
214 int reason; /* reason for redirecing */
217 /* call-info structure capability */
219 int source_mode; /* forward mode */
220 int bearer_capa; /* capability */
221 int bearer_mode; /* circuit/packet */
222 int bearer_info1; /* alaw,ulaw,... */
223 int hlc; /* hlc capability */
224 int exthlc; /* extendet hlc */
227 /* call-info structure NOTIFY */
229 int notify; /* notifications (see INFO_NOTIFY_*) */
230 char id[32]; /* redirection id (user number) */
231 char extension[32]; /* internal id */
232 int isdn_port; /* internal/external port (if call is isdn) */
233 int itype; /* type of interface */
234 int ntype; /* type of number */
235 int present; /* redirection presentation */
236 char display[84]; /* display information */
237 int local; /* if set, endpoints gets information about audio channel (open/close) */
240 /* call-info structure PROGRESS */
241 struct progress_info {
242 int progress; /* progress indicator */
243 int location; /* progress location */
246 /* call-info structure FACILITY */
247 struct facility_info {
248 char data[256]; /* data info about facility */
249 int len; /* length of facility content */
252 /* call-info structure USERUSER */
253 struct useruser_info {
256 unsigned char data[128]; /* user-user info (not a sting!)*/
259 /* call-info structure SETUP */
260 struct message_setup {
261 int isdn_port; /* card number 1...n (only on calls from isdn port) */
262 int port_type; /* type of port (only required if message is port -> epoint) */
263 int partyline; /* if set, call will be a conference room */
264 int partyline_jingle; /* if set, the jingle will be played on conference join */
265 struct caller_info callerinfo; /* information about the caller */
266 struct dialing_info dialinginfo; /* information about dialing */
267 struct redir_info redirinfo; /* info on redirection (to the calling user) */
268 struct capa_info capainfo; /* info on l2,l3 capability */
269 struct useruser_info useruser; /* user-user */
270 // struct progress_info progress; /* info on call progress */
271 char context[128]; /* asterisk context */
274 /* call-info structure PARK */
280 #define ISDN_TRANSMIT 256
283 unsigned char data[ISDN_TRANSMIT]; /* audio data */
284 int len; /* audio data */
288 char file[512]; /* file name */
289 int offset; /* offset to start file at (in seconds) */
293 char dir[128]; /* directory */
294 char name[128]; /* file name */
297 struct param_counter {
298 int current; /* current counter in seconds */
299 int max; /* total size of file (0=no info) */
302 struct param_mISDNsignal {
313 /* encryption control structure CRYPT */
315 int type; /* see messages in crypt.h */
317 unsigned char data[512+32]; /* a block of 512 byte + some overhead */
321 char application[32]; /* name of remote application */
324 struct param_bchannel {
325 int type; /* BCHANNEL_* */
326 unsigned int handle; /* bchannel stack/portid */
327 int isloopback; /* in this case the application behaves like an interface, dsp should not be used */
328 int tx_gain, rx_gain;
330 unsigned char crypt[128];
332 int crypt_type; /* 1 = blowfish */
335 struct param_newref {
336 int direction; /* who requests a refe? */
337 int mode; /* 0 = direct-mode, 1 = PBX mode */
340 /* structure of message parameter */
342 struct param_tone tone; /* MESSAGE_TONE */
343 char dtmf; /* MESSAGE_DTMF */
344 struct message_setup setup; /* MESSAGE_SETUP */
345 struct dialing_info information; /* MESSAGE_INFO */
346 struct connect_info connectinfo; /* CONNECT INFO */
347 struct disconnect_info disconnectinfo; /* DISCONNECT INFO */
348 struct notify_info notifyinfo; /* some notifications */
349 struct progress_info progressinfo; /* some progress */
350 struct facility_info facilityinfo; /* some notifications */
351 struct park_info parkinfo; /* MESSAGE_SUSPEND, MESSAGE_RESUME */
352 int state; /* MESSAGE_TIMEOUT */
353 int knock; /* MESSAGE_KNOCK 0=off !0=on */
354 int audiopath; /* MESSAGE_audiopath see RELATION_CHANNEL_* (join.h) */
355 struct param_data data; /* MESSAGE_DATA */
356 struct param_play play; /* MESSAGE_VBOX_PLAY */
357 int speed; /* MESSAGE_VBOX_PLAY_SPEED */
358 struct param_counter counter; /* MESSAGE_TONE_COUNTER */
359 struct param_mISDNsignal mISDNsignal; /* MESSAGE_mISDNSIGNAL */
360 struct extension ext; /* tell port about extension information */
361 struct param_crypt crypt; /* MESSAGE_CRYPT */
362 struct param_hello hello; /* MESSAGE_HELLO */
363 struct param_bchannel bchannel; /* MESSAGE_BCHANNEL */
364 struct param_newref newref; /* MESSAGE_NEWREF */
367 enum { /* message flow */
374 /* message structure */
376 struct lcr_msg *next;
377 int type; /* type of message */
378 int flow; /* from where to where */
379 unsigned int id_from; /* in case of flow==PORT_TO_EPOINT: id_from is the port's serial, id_to is the epoint's serial */
382 union parameter param;
385 enum { /* messages between entities */
386 MESSAGE_NONE, /* no message */
387 MESSAGE_TONE, /* set information tone (to isdn port) */
388 MESSAGE_DTMF, /* dtmf digit (from isdn port) */
389 MESSAGE_ENABLEKEYPAD, /* remote application requests keypad/dtmf */
390 MESSAGE_mISDNSIGNAL, /* special mixer command (down to isdn port) */
391 MESSAGE_SETUP, /* setup message */
392 MESSAGE_INFORMATION, /* additional digit information */
393 MESSAGE_OVERLAP, /* call accepted, send more information */
394 MESSAGE_PROCEEDING, /* proceeding */
395 MESSAGE_ALERTING, /* ringing */
396 MESSAGE_CONNECT, /* connect */
397 MESSAGE_DISCONNECT, /* disconnect with cause */
398 MESSAGE_RELEASE, /* release with cause */
399 MESSAGE_TIMEOUT, /* protocol state has timed out (port->epoint) */
400 MESSAGE_NOTIFY, /* used to send notify info */
401 MESSAGE_PROGRESS, /* used to send progress info */
402 MESSAGE_FACILITY, /* used to facility infos, like aocd */
403 MESSAGE_SUSPEND, /* suspend port */
404 MESSAGE_RESUME, /* resume port */
405 MESSAGE_AUDIOPATH, /* set status of audio path to endpoint (to call, audio is also set) */
406 // MESSAGE_REMOTE_AUDIO, /* tell remote to set audio status */
407 MESSAGE_PATTERN, /* pattern information tones available */
408 MESSAGE_NOPATTERN, /* pattern information tones unavailable */
409 MESSAGE_CRYPT, /* encryption message */
410 MESSAGE_DATA, /* audio/hdlc data */
411 MESSAGE_VBOX_PLAY, /* play recorded file */
412 MESSAGE_VBOX_PLAY_SPEED,/* change speed of file */
413 MESSAGE_VBOX_TONE, /* set answering VBOX tone */
414 MESSAGE_TONE_COUNTER, /* tone counter (for VBOX tone use) */
415 MESSAGE_TONE_EOF, /* tone is end of file */
416 MESSAGE_BCHANNEL, /* request/assign/remove bchannel */
417 MESSAGE_HELLO, /* hello message for remote application */
418 MESSAGE_NEWREF, /* special message to create and inform ref */
421 #define MESSAGES static const char *messages_txt[] = { \
425 "MESSAGE_ENABLEKEYPAD", \
426 "MESSAGE_mISDNSIGNAL", \
428 "MESSAGE_INFORMATION", \
430 "MESSAGE_PROCEEDING", \
431 "MESSAGE_ALERTING", \
433 "MESSAGE_DISCONNECT", \
437 "MESSAGE_PROGRESS", \
438 "MESSAGE_FACILITY", \
441 "MESSAGE_AUDIOPATH", \
442 /* "MESSAGE_REMOTE_AUDIO",*/ \
444 "MESSAGE_NOPATTERN", \
447 "MESSAGE_VBOX_PLAY", \
448 "MESSAGE_VBOX_PLAY_SPEED", \
449 "MESSAGE_VBOX_TONE", \
450 "MESSAGE_TONE_COUNTER", \
451 "MESSAGE_TONE_EOF", \
452 "MESSAGE_BCHANNEL", \
458 struct lcr_msg *message_create(int id_from, int id_to, int flow, int type);
459 void message_put(struct lcr_msg *message);
460 struct lcr_msg *message_forward(int id_from, int id_to, int flow, union parameter *param);
461 struct lcr_msg *message_get(void);
462 void message_free(struct lcr_msg *message);
463 void init_message(void);
464 void cleanup_message(void);