1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** message types and parameters **
10 \*****************************************************************************/
12 enum { /* interface types */
14 INFO_ITYPE_ISDN_EXTENSION, /* call from internal extension */
19 enum { /* number types */
21 INFO_NTYPE_SUBSCRIBER,
23 INFO_NTYPE_INTERNATIONAL,
26 enum { /* number presentation */
29 INFO_PRESENT_RESTRICTED,
30 INFO_PRESENT_NOTAVAIL,
33 enum { /* number presentation */
34 INFO_SCREEN_USER, /* user provided */
35 INFO_SCREEN_NETWORK, /* network provided */
38 enum { /* redirection reason */
41 INFO_REDIR_NORESPONSE,
42 INFO_REDIR_UNCONDITIONAL,
43 INFO_REDIR_OUTOFORDER,
44 INFO_REDIR_CALLDEFLECT,
47 #define INFO_NOTIFY_NONE 0x00
48 #define INFO_NOTIFY_USER_SUSPENDED 0x80
49 #define INFO_NOTIFY_USER_RESUMED 0x81
50 #define INFO_NOTIFY_BEARER_SERVICE_CHANGED 0x82
51 #define INFO_NOTIFY_CALL_COMPLETION_DELAY 0x83
52 #define INFO_NOTIFY_CONFERENCE_ESTABLISHED 0xc2
53 #define INFO_NOTIFY_CONFERENCE_DISCONNECTED 0xc3
54 #define INFO_NOTIFY_OTHER_PARTY_ADDED 0xc4
55 #define INFO_NOTIFY_ISOLATED 0xc5
56 #define INFO_NOTIFY_REATTACHED 0xc6
57 #define INFO_NOTIFY_OTHER_PARTY_ISOLATED 0xc7
58 #define INFO_NOTIFY_OTHER_PARTY_REATTACHED 0xc8
59 #define INFO_NOTIFY_OTHER_PARTY_SPLIT 0xc9
60 #define INFO_NOTIFY_OTHER_PARTY_DISCONNECTED 0xca
61 #define INFO_NOTIFY_CONFERENCE_FLOATING 0xcb
62 #define INFO_NOTIFY_CONFERENCE_DISCONNECTED_P 0xcc /* preemted */
63 #define INFO_NOTIFY_CONFERENCE_FLOATING_S_U_P 0xcf /* served user preemted */
64 #define INFO_NOTIFY_CALL_IS_A_WAITING_CALL 0xe0
65 #define INFO_NOTIFY_DIVERSION_ACTIVATED 0xe8
66 #define INFO_NOTIFY_RESERVED_CT_1 0xe9
67 #define INFO_NOTIFY_RESERVED_CT_2 0xea
68 #define INFO_NOTIFY_REVERSE_CHARGING 0xee
69 #define INFO_NOTIFY_REMOTE_HOLD 0xf9
70 #define INFO_NOTIFY_REMOTE_RETRIEVAL 0xfa
71 #define INFO_NOTIFY_CALL_IS_DIVERTING 0xfb
73 enum { /* diversion types */
80 /* bearer capabilities */
81 #define INFO_BC_SPEECH 0x00
82 #define INFO_BC_DATAUNRESTRICTED 0x08
83 #define INFO_BC_DATARESTRICTED 0x09
84 #define INFO_BC_AUDIO 0x10
85 #define INFO_BC_DATAUNRESTRICTED_TONES 0x11
86 #define INFO_BC_VIDEO 0x18
89 #define INFO_BMODE_CIRCUIT 0
90 #define INFO_BMODE_PACKET 2
93 #define INFO_INFO1_NONE 0x00
94 #define INFO_INFO1_V110 0x81
95 #define INFO_INFO1_ULAW 0x82
96 #define INFO_INFO1_ALAW 0x83
97 #define INFO_INFO1_G721 0x84
98 #define INFO_INFO1_H221H242 0x85
99 #define INFO_INFO1_NONCCITT 0x87
100 #define INFO_INFO1_V120 0x88
101 #define INFO_INFO1_X31HDLC 0x89
104 #define INFO_HLC_NONE 0x00
105 #define INFO_HLC_TELEPHONY 0x81
106 #define INFO_HLC_FAXG2G3 0x84
107 #define INFO_HLC_FAXG4 0xa1
108 #define INFO_HLC_TELETEX1 0xa4
109 #define INFO_HLC_TELETEX2 0xa8
110 #define INFO_HLC_TELETEX3 0xb1
111 #define INFO_HLC_VIDEOTEX1 0xb2
112 #define INFO_HLC_VIDEOTEX2 0xb3
113 #define INFO_HLC_TELEX 0xb5
114 #define INFO_HLC_MHS 0xb8
115 #define INFO_HLC_OSI 0xc1
116 #define INFO_HLC_MAINTENANCE 0xde
117 #define INFO_HLC_MANAGEMENT 0xdf
118 #define INFO_HLC_AUDIOVISUAL 0xe0
120 enum { /* isdnsignal */
123 mISDNSIGNAL_NODATA, /* no data required */
127 /* call-info structure CALLER */
129 char id[32]; /* id of caller (user number) */
130 char extension[32]; /* internal id */
132 int isdn_port; /* internal/external port (if call is isdn) */
133 char interface[32]; /* interface name the call was from */
134 int itype; /* type of interface */
135 int ntype; /* type of number */
136 int present; /* presentation */
137 int screen; /* who provided the number */
138 char display[84]; /* display information */
141 /* call-info structure DIALING */
142 struct dialing_info {
143 char number[256]; /* number dialing (so far) */
144 char interfaces[128]; /* interfaces for extenal calls */
145 int itype; /* type of interface */
146 int ntype; /* type of number */
147 int sending_complete; /* end of dialing */
150 /* call-info structure CONNECT */
151 struct connect_info {
152 char id[32]; /* id of caller (user number) */
153 char voip[64]; /* URI of voip (or gateway) */
154 char intern[32]; /* internal id */
156 int isdn_port; /* internal/external port (if call is isdn) */
157 char interfaces[128]; /* interfaces for extenal calls */
158 int itype; /* type of interface */
159 int ntype; /* type of number */
160 int present; /* presentation */
161 int screen; /* who provided the number */
162 char display[84]; /* display information */
165 /* call-info structure DISCONNECT */
166 struct disconnect_info {
167 int cause; /* reason for disconnect */
168 int location; /* disconnect location */
169 char display[84]; /* optional display information */
172 /* call-info structure REDIR */
174 char id[32]; /* id of caller (user number) */
175 char voip[64]; /* host of voip (or gateway) */
176 char intern[32]; /* internal id */
177 int isdn_port; /* internal/external port (if call is isdn) */
178 int itype; /* type of interface */
179 int ntype; /* type of number */
180 int present; /* presentation */
181 int screen; /* who provided the number */
182 int reason; /* reason for redirecing */
185 /* call-info structure capability */
187 int bearer_capa; /* capability */
188 int bearer_mode; /* circuit/packet */
189 int bearer_info1; /* alaw,ulaw,... */
190 int hlc; /* hlc capability */
191 int exthlc; /* extendet hlc */
194 /* call-info structure NOTIFY */
196 int notify; /* notifications (see INFO_NOTIFY_*) */
197 char id[32]; /* redirection id (user number) */
198 char voip[64]; /* host of voip (or gateway) */
199 char intern[32]; /* internal id */
200 int isdn_port; /* internal/external port (if call is isdn) */
201 int itype; /* type of interface */
202 int ntype; /* type of number */
203 int present; /* redirection presentation */
204 char display[84]; /* display information */
205 int local; /* if set, endpoints gets information about audio channel (open/close) */
208 /* call-info structure FACILITY */
209 struct facility_info {
210 char data[256]; /* data info about facility */
211 int len; /* length of facility content */
214 /* call-info structure USERUSER */
215 struct useruser_info {
218 unsigned char data[128]; /* user-user info (not a sting!)*/
221 /* call-info structure SETUP */
222 struct message_setup {
223 int isdn_port; /* card number 1...n (only on calls from isdn port) */
224 int port_type; /* type of port (only required if message is port -> epoint) */
225 int dtmf; /* used to enabled dtmf dialing at setup state */
226 int partyline; /* if set, call will be a conference room */
227 struct caller_info callerinfo; /* information about the caller */
228 struct dialing_info dialinginfo; /* information about dialing */
229 struct redir_info redirinfo; /* info on redirection (to the calling user) */
230 struct capa_info capainfo; /* info on l2,l3 capability */
231 struct useruser_info useruser; /* user-user */
234 /* call-info structure PARK */
242 unsigned char data[512]; /* audio/hdlc data */
243 int len; /* audio/hdlc data */
244 int compressed; /* 0 for law-data, 1 for 16-bit data */
245 unsigned long port_id; /* to identify the source of this data */
246 int port_type; /* type of the source's port */
250 char file[512]; /* file name */
251 int offset; /* offset to start file at (in seconds) */
255 char dir[128]; /* directory */
256 char name[128]; /* file name */
259 struct param_counter {
260 int current; /* current counter in seconds */
261 int max; /* total size of file (0=no info) */
264 struct param_mISDNsignal {
274 /* encryption control structure CRYPT */
276 int type; /* see messages in crypt.h */
278 unsigned char data[512+32]; /* a block of 512 byte + some overhead */
281 /* structure of message parameter */
283 struct param_tone tone; /* MESSAGE_TONE */
284 char dtmf; /* MESSAGE_DTMF */
285 struct message_setup setup; /* MESSAGE_SETUP */
286 struct dialing_info information; /* MESSAGE_INFO */
287 struct connect_info connectinfo; /* CONNECT INFO */
288 struct disconnect_info disconnectinfo; /* DISCONNECT INFO */
289 struct notify_info notifyinfo; /* some notifications */
290 struct facility_info facilityinfo; /* some notifications */
291 struct park_info parkinfo; /* MESSAGE_SUSPEND, MESSAGE_RESUME */
292 int state; /* MESSAGE_TIMEOUT */
293 int knock; /* MESSAGE_KNOCK 0=off !0=on */
294 int channel; /* MESSAGE_CHANNEL see RELATION_CHANNEL_* (call.h) */
295 struct param_data data; /* MESSAGE_DATA */
296 struct param_play play; /* MESSAGE_VBOX_PLAY */
297 int speed; /* MESSAGE_VBOX_PLAY_SPEED */
298 struct param_counter counter; /* MESSAGE_TONE_COUNTER */
299 struct param_mISDNsignal mISDNsignal; /* MESSAGE_mISDNSIGNAL */
300 struct extension ext; /* tell port about extension information */
301 struct param_crypt crypt; /* MESSAGE_CRYPT */
304 enum { /* message flow */
311 /* message structure */
313 struct message *next;
314 int type; /* type of message */
315 int flow; /* from where to where */
316 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 */
318 union parameter param;
321 enum { /* messages between entities */
322 MESSAGE_NONE, /* no message */
323 MESSAGE_TONE, /* set information tone (to isdn port) */
324 MESSAGE_DTMF, /* dtmf digit (from isdn port) */
325 MESSAGE_mISDNSIGNAL, /* special mixer command (down to isdn port) */
327 MESSAGE_SETUP, /* setup message */
328 MESSAGE_INFORMATION, /* additional digit information */
329 MESSAGE_OVERLAP, /* call accepted, send more information */
330 MESSAGE_PROCEEDING, /* proceeding */
331 MESSAGE_ALERTING, /* ringing */
332 MESSAGE_CONNECT, /* connect */
333 MESSAGE_DISCONNECT, /* disconnect with cause */
334 MESSAGE_RELEASE, /* release with cause */
335 MESSAGE_TIMEOUT, /* protocol state has timed out (port->epoint) */
336 MESSAGE_NOTIFY, /* used to send progress and notify infos */
337 MESSAGE_FACILITY, /* used to facility infos, like aocd */
339 MESSAGE_SUSPEND, /* suspend port */
340 MESSAGE_RESUME, /* resume port */
342 MESSAGE_CHANNEL, /* set status of audio path to endpoint (to call, audio is also set) */
343 // MESSAGE_REMOTE_AUDIO, /* tell remote to set audio status */
344 MESSAGE_PATTERN, /* pattern information tones available */
345 MESSAGE_NOPATTERN, /* pattern information tones unavailable */
346 MESSAGE_CRYPT, /* encryption message */
348 MESSAGE_DATA, /* audio/hdlc data */
350 MESSAGE_VBOX_PLAY, /* play recorded file */
351 MESSAGE_VBOX_PLAY_SPEED,/* change speed of file */
352 MESSAGE_VBOX_TONE, /* set answering VBOX tone */
353 MESSAGE_TONE_COUNTER, /* tone counter (for VBOX tone use) */
354 MESSAGE_TONE_EOF, /* tone is end of file */
355 MESSAGE_VBOX_RECORD, /* tell endpoint to start recording */
358 #define MESSAGES static const char *messages_txt[] = { \
362 "MESSAGE_mISDNSIGNAL", \
364 "MESSAGE_INFORMATION", \
366 "MESSAGE_PROCEEDING", \
367 "MESSAGE_ALERTING", \
369 "MESSAGE_DISCONNECT", \
373 "MESSAGE_FACILITY", \
377 /* "MESSAGE_REMOTE_AUDIO",*/ \
379 "MESSAGE_NOPATTERN", \
382 "MESSAGE_VBOX_PLAY", \
383 "MESSAGE_VBOX_PLAY_SPEED", \
384 "MESSAGE_VBOX_TONE", \
385 "MESSAGE_TONE_COUNTER", \
386 "MESSAGE_TONE_EOF", \
387 "MESSAGE_VBOX_RECORD", \
391 struct message *message_create(int id_from, int id_to, int flow, int type);
392 void message_put(struct message *message);
393 struct message *message_get(void);
394 void message_free(struct message *message);