static int bestdata_break(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, breakcmd, 2)) {
ast_log(LOG_WARNING, "Failed to break\n");
return -1;
}
p->ministate = STATE_COMMAND;
usleep(10000);
/* Read any outstanding junk */
while(!ast_modem_read_response(p, 1));
if (ast_modem_send(p, "AT", 0)) {
/* Modem might be stuck in some weird mode, try to get it out */
ast_modem_send(p, "+++", 3);
if (ast_modem_expect(p, "OK", 10)) {
ast_log(LOG_WARNING, "Modem is not responding\n");
return -1;
}
if (ast_modem_send(p, "AT", 0)) {
ast_log(LOG_WARNING, "Modem is not responding\n");
return -1;
}
}
if (ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Modem did not respond properly\n");
return -1;
}
return 0;
}
static int i4l_break(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, breakcmd, 2)) {
ast_log(LOG_WARNING, "Failed to break\n");
return -1;
}
if (ast_modem_send(p, "\r\n", 2)) {
ast_log(LOG_WARNING, "Failed to send enter?\n");
return -1;
}
#if 0
/* Read any outstanding junk */
while(!ast_modem_read_response(p, 1));
#endif
if (ast_modem_send(p, "AT", 0)) {
/* Modem might be stuck in some weird mode, try to get it out */
ast_modem_send(p, "+++", 3);
if (ast_modem_expect(p, "OK", 10)) {
ast_log(LOG_WARNING, "Modem is not responding\n");
return -1;
}
if (ast_modem_send(p, "AT", 0)) {
ast_log(LOG_WARNING, "Modem is not responding\n");
return -1;
}
}
if (ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Modem did not respond properly\n");
return -1;
}
return 0;
}
static int i4l_dial(struct ast_modem_pvt *p, char *stuff)
{
char cmd[80];
char tmpmsn[255];
struct ast_channel *c = p->owner;
/* Find callerid number first, to set the correct A number */
if (c && c->cid.cid_num && !(c->cid.cid_pres & 0x20)) {
snprintf(tmpmsn, sizeof(tmpmsn), ",%s,", c->cid.cid_num);
if(!ast_strlen_zero(p->outgoingmsn) && strstr(p->outgoingmsn,tmpmsn) != NULL) {
/* Tell ISDN4Linux to use this as A number */
snprintf(cmd, sizeof(cmd), "AT&E%s\n", c->cid.cid_num);
if (ast_modem_send(p, cmd, strlen(cmd))) {
ast_log(LOG_WARNING, "Unable to set A number to %s\n", c->cid.cid_num);
}
} else {
ast_log(LOG_WARNING, "Outgoing MSN %s not allowed (see outgoingmsn=%s in modem.conf)\n",c->cid.cid_num,p->outgoingmsn);
}
}
snprintf(cmd, sizeof(cmd), "ATD%c %s\n", p->dialtype,stuff);
if (ast_modem_send(p, cmd, strlen(cmd))) {
ast_log(LOG_WARNING, "Unable to dial\n");
return -1;
}
return 0;
}
static int i4l_startrec(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, "AT+VRX+VTX", 0) ||
ast_modem_expect(p, "CONNECT", 5)) {
ast_log(LOG_WARNING, "Unable to start recording\n");
return -1;
}
p->ministate = STATE_VOICE;
/* let ast dsp detect dtmf */
if (p->dtmfmode & MODEM_DTMF_AST) {
if (p->dsp) {
ast_log(LOG_DEBUG, "Already have a dsp on %s?\n", p->dev);
} else {
p->dsp = ast_dsp_new();
if (p->dsp) {
ast_log(LOG_DEBUG, "Detecting DTMF inband with sw DSP on %s\n",p->dev);
ast_dsp_set_features(p->dsp, DSP_FEATURE_DTMF_DETECT|DSP_FEATURE_FAX_DETECT);
ast_dsp_digitmode(p->dsp, DSP_DIGITMODE_DTMF | 0);
}
}
}
return 0;
}
static int aopen_hangup(struct ast_modem_pvt *p)
{
if (aopen_break(p))
return -1;
/* Hangup by switching to data, then back to voice */
if (ast_modem_send(p, "ATH", 0) ||
ast_modem_expect(p, "OK", 8)) {
ast_log(LOG_WARNING, "Unable to set to data mode\n");
return -1;
}
if (ast_modem_send(p, "AT#CLS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to voice mode\n");
return -1;
}
return 0;
}
static struct ast_frame *aopen_handle_escape(struct ast_modem_pvt *p, char esc)
{
/* Handle escaped characters -- but sometimes we call it directly as
a quick way to cause known responses */
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
p->fr.data = NULL;
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.offset = 0;
p->fr.mallocd = 0;
p->fr.delivery.tv_sec = 0;
p->fr.delivery.tv_usec = 0;
if (esc)
ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
switch(esc) {
case 'R': /* Pseudo ring */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
return &p->fr;
case 'X': /* Pseudo connect */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
if (p->owner)
ast_setstate(p->owner, AST_STATE_UP);
if (aopen_startrec(p))
return NULL;
return &p->fr;
case 'b': /* Busy signal */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_BUSY;
return &p->fr;
case 'o': /* Overrun */
ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
if (ast_modem_send(p, "\0x10E", 2))
ast_log(LOG_WARNING, "Unable to flush buffers\n");
return &p->fr;
case 'u': /* Underrun */
ast_log(LOG_WARNING, "Data underrun\n");
/* Fall Through */
case CHAR_ETX: /* End Transmission */
case 'd': /* Dialtone */
case 'c': /* Calling Tone */
case 'e': /* European version */
case 'a': /* Answer Tone */
case 'f': /* Bell Answer Tone */
case 'T': /* Timing mark */
case 't': /* Handset off hook */
case 'h': /* Handset hungup */
case 0: /* Pseudo signal */
/* Ignore */
return &p->fr;
default:
ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
}
return &p->fr;
}
static int aopen_answer(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, "ATA", 0) ||
ast_modem_expect(p, "VCON", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
return 0;
}
static int aopen_startrec(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, "AT#VRX", 0) ||
ast_modem_expect(p, "CONNECT", 5)) {
ast_log(LOG_WARNING, "Unable to start recording\n");
return -1;
}
p->ministate = STATE_VOICE;
return 0;
}
static int i4l_setdev(struct ast_modem_pvt *p, int dev)
{
char cmd[80];
if ((dev != MODEM_DEV_TELCO) && (dev != MODEM_DEV_TELCO_SPK)) {
ast_log(LOG_WARNING, "ISDN4Linux only supports telco device, not %d.\n", dev);
return -1;
} else /* Convert DEV to our understanding of it */
dev = 2;
if (ast_modem_send(p, "AT+VLS?", 0)) {
ast_log(LOG_WARNING, "Unable to select current mode %d\n", dev);
return -1;
}
if (ast_modem_read_response(p, 5)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
ast_modem_trim(p->response);
strncpy(cmd, p->response, sizeof(cmd)-1);
if (ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Modem did not respond properly\n");
return -1;
}
if (dev == atoi(cmd)) {
/* We're already in the right mode, don't bother changing for fear of
hanging up */
return 0;
}
snprintf(cmd, sizeof(cmd), "AT+VLS=%d", dev);
if (ast_modem_send(p, cmd, 0)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
if (ast_modem_read_response(p, 5)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
ast_modem_trim(p->response);
if (strcasecmp(p->response, "VCON") && strcasecmp(p->response, "OK")) {
ast_log(LOG_WARNING, "Unexpected reply: %s\n", p->response);
return -1;
}
return 0;
}
static int aopen_dial(struct ast_modem_pvt *p, char *stuff)
{
char cmd[80];
snprintf(cmd, sizeof(cmd), "ATD%c %s", p->dialtype,stuff);
if (ast_modem_send(p, cmd, 0)) {
ast_log(LOG_WARNING, "Unable to dial\n");
return -1;
}
return 0;
}
static int bestdata_answer(struct ast_modem_pvt *p)
{
p->ringt = 0;
p->lastring = 0;
if (ast_modem_send(p, "AT+VLS=1", 0) ||
ast_modem_expect(p, "OK", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
return 0;
}
static int aopen_dialdigit(struct ast_modem_pvt *p, char digit)
{
char cmd[80];
snprintf(cmd, sizeof(cmd), "AT#VTS=%c", digit);
if (ast_modem_send(p, cmd, 0) ||
ast_modem_expect(p, "VCON", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
return 0;
}
static int bestdata_startplay(struct ast_modem_pvt *p)
{
if (p->ministate != STATE_COMMAND) bestdata_break(p);
if (ast_modem_send(p, "AT+VTX", 0) ||
ast_modem_expect(p, "CONNECT", 5)) {
ast_log(LOG_WARNING, "Unable to start recording\n");
return -1;
}
p->ministate = STATE_VOICEPLAY;
return 0;
}
static int aopen_init(struct ast_modem_pvt *p)
{
if (option_debug)
ast_log(LOG_DEBUG, "aopen_init()\n");
if (aopen_break(p))
return -1;
/* Force into command mode */
p->ministate = STATE_COMMAND;
if (ast_modem_send(p, "AT#BDR=0", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to auto-baud\n");
return -1;
}
if (ast_modem_send(p, "AT#CLS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to voice mode\n");
return -1;
}
if (ast_modem_send(p, "AT#VBS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 8-bit mode\n");
return -1;
}
if (ast_modem_send(p, "AT#VSR=8000", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 8000 Hz sampling\n");
return -1;
}
if (ast_modem_send(p, "AT#VLS=0", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to telco interface\n");
return -1;
}
if (ast_modem_send(p, "AT#VRA=" VRA, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 'ringback goes away' timer\n");
return -1;
}
if (ast_modem_send(p, "AT#VRN=" VRN, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 'ringback never came timer'\n");
return -1;
}
if (ast_modem_send(p, "AT#VTD=3F,3F,3F", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to tone detection\n");
return -1;
}
return 0;
}
static int bestdata_hangup(struct ast_modem_pvt *p)
{
if (bestdata_break(p))
return -1;
/* Hangup by switching to data, then back to voice */
if (ast_modem_send(p, "ATH", 0) ||
ast_modem_expect(p, "OK", 8)) {
ast_log(LOG_WARNING, "Unable to set to data mode\n");
return -1;
}
if (ast_modem_send(p, "AT+FCLASS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to voice mode\n");
return -1;
}
p->gotclid = 0;
p->ringt = 0;
p->lastring = 0;
p->dtmfrx = 0;
return 0;
}
static int bestdata_dialdigit(struct ast_modem_pvt *p, char digit)
{
char cmd[80];
if (p->ministate != STATE_COMMAND) bestdata_break(p);
snprintf(cmd, sizeof(cmd), "AT+VTS=%c", digit);
if (ast_modem_send(p, cmd, 0) ||
ast_modem_expect(p, "OK", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
return 0;
}
static int aopen_setdev(struct ast_modem_pvt *p, int dev)
{
char cmd[80];
if (ast_modem_send(p, "AT#VLS?", 0)) {
ast_log(LOG_WARNING, "Unable to select current mode %d\n", dev);
return -1;
}
if (ast_modem_read_response(p, 5)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
ast_modem_trim(p->response);
strncpy(cmd, p->response, sizeof(cmd)-1);
if (ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Modem did not respond properly\n");
return -1;
}
if (dev == atoi(cmd)) {
/* We're already in the right mode, don't bother changing for fear of
hanging up */
return 0;
}
snprintf(cmd, sizeof(cmd), "AT#VLS=%d", dev);
if (ast_modem_send(p, cmd, 0)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
if (ast_modem_read_response(p, 5)) {
ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
return -1;
}
ast_modem_trim(p->response);
if (strcasecmp(p->response, "VCON") && strcasecmp(p->response, "OK")) {
ast_log(LOG_WARNING, "Unexpected reply: %s\n", p->response);
return -1;
}
return 0;
}
static int i4l_answer(struct ast_modem_pvt *p)
{
if (ast_modem_send(p, "ATA\r", 4) ||
ast_modem_expect(p, "VCON", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
#if 1
if (ast_modem_send(p, "AT+VDD=0,8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to phone line interface\n");
return -1;
}
#endif
if (ast_modem_send(p, "AT+VTX+VRX", 0) ||
ast_modem_expect(p, "CONNECT", 10)) {
ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
return -1;
}
p->ministate = STATE_VOICE;
/* let ast dsp detect dtmf */
if (p->dtmfmode & MODEM_DTMF_AST) {
if (p->dsp) {
ast_log(LOG_DEBUG, "Already have a dsp on %s?\n", p->dev);
} else {
p->dsp = ast_dsp_new();
if (p->dsp) {
ast_log(LOG_DEBUG, "Detecting DTMF inband with sw DSP on %s\n",p->dev);
ast_dsp_set_features(p->dsp, DSP_FEATURE_DTMF_DETECT|DSP_FEATURE_FAX_DETECT);
ast_dsp_digitmode(p->dsp, DSP_DIGITMODE_DTMF | 0);
}
}
}
return 0;
}
static char *aopen_identify(struct ast_modem_pvt *p)
{
char identity[256];
char mfr[80];
char mdl[80];
char rev[80];
ast_modem_send(p, "AT#MDL?", 0);
ast_modem_read_response(p, 5);
strncpy(mdl, p->response, sizeof(mdl)-1);
ast_modem_trim(mdl);
ast_modem_expect(p, "OK", 5);
ast_modem_send(p, "AT#MFR?", 0);
ast_modem_read_response(p, 5);
strncpy(mfr, p->response, sizeof(mfr)-1);
ast_modem_trim(mfr);
ast_modem_expect(p, "OK", 5);
ast_modem_send(p, "AT#REV?", 0);
ast_modem_read_response(p, 5);
strncpy(rev, p->response, sizeof(rev)-1);
ast_modem_trim(rev);
ast_modem_expect(p, "OK", 5);
snprintf(identity, sizeof(identity), "%s Model %s Revision %s", mfr, mdl, rev);
return strdup(identity);
}
static int bestdata_init(struct ast_modem_pvt *p)
{
if (option_debug)
ast_log(LOG_DEBUG, "bestdata_init()\n");
if (bestdata_break(p))
return -1;
/* Force into command mode */
p->ministate = STATE_COMMAND;
if (ast_modem_send(p, "AT+FCLASS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to voice mode\n");
return -1;
}
if (ast_modem_send(p, "AT+VSM=1,8000,0,0", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 8000 Hz sampling\n");
return -1;
}
if (ast_modem_send(p, "AT+VLS=0", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to telco interface\n");
return -1;
}
if (ast_modem_send(p, "AT+VRA=" VRA, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 'ringback goes away' timer\n");
return -1;
}
if (ast_modem_send(p, "AT+VRN=" VRN, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to 'ringback never came timer'\n");
return -1;
}
if (ast_modem_send(p, "AT+VTD=63", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to tone detection\n");
return -1;
}
if (ast_modem_send(p, "AT+VCID=1", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to enable Caller*ID\n");
return -1;
}
return 0;
}
static int bestdata_dial(struct ast_modem_pvt *p, char *stuff)
{
char cmd[800] = "",a[20]="";
int i,j;
if (p->ministate != STATE_COMMAND)
{
bestdata_break(p);
strncpy(cmd, "AT+VTS=", sizeof(cmd) - 1);
j = strlen(cmd);
for(i = 0; stuff[i]; i++)
{
switch(stuff[i])
{
case '!' :
a[0] = stuff[i];
a[1] = 0;
break;
case ',':
strncpy(a, "[,,100]", sizeof(a) - 1);
break;
default:
snprintf(a, sizeof(a), "{%c,7}", stuff[i]);
}
if (stuff[i + 1]) strncat(a, ",", sizeof(a) - strlen(a) - 1);
strncpy(cmd + j, a, sizeof(cmd) - j - 1);
j += strlen(a);
}
}
else
{
snprintf(cmd, sizeof(cmd), "ATD%c %s", p->dialtype,stuff);
}
if (ast_modem_send(p, cmd, 0)) {
ast_log(LOG_WARNING, "Unable to dial\n");
return -1;
}
return 0;
}
static int i4l_hangup(struct ast_modem_pvt *p)
{
char dummy[50];
int dtr = TIOCM_DTR;
/* free the memory used by the DSP */
if (p->dsp) {
ast_dsp_free(p->dsp);
p->dsp = NULL;
}
/* down DTR to hangup modem */
ioctl(p->fd, TIOCMBIC, &dtr);
/* Read anything outstanding */
while(read(p->fd, dummy, sizeof(dummy)) > 0);
/* rise DTR to re-enable line */
ioctl(p->fd, TIOCMBIS, &dtr);
/* Read anything outstanding */
while(read(p->fd, dummy, sizeof(dummy)) > 0);
/* basically we're done, just to be sure */
write(p->fd, "\n\n", 2);
read(p->fd, dummy, sizeof(dummy));
if (ast_modem_send(p, "ATH", 0)) {
ast_log(LOG_WARNING, "Unable to hang up\n");
return -1;
}
if (ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Final 'OK' not received\n");
return -1;
}
return 0;
}
static int i4l_init(struct ast_modem_pvt *p)
{
char cmd[256];
if (option_debug)
ast_log(LOG_DEBUG, "i4l_init()\n");
if (i4l_break(p))
return -1;
/* Force into command mode */
p->ministate = STATE_COMMAND;
if (ast_modem_send(p, "AT+FCLASS=8", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to voice mode\n");
return -1;
}
if (!ast_strlen_zero(p->msn)) {
snprintf(cmd, sizeof(cmd), "AT&E%s", p->msn);
if (ast_modem_send(p, cmd, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set MSN to %s\n", p->msn);
return -1;
}
}
if (!ast_strlen_zero(p->incomingmsn)) {
char *q;
snprintf(cmd, sizeof(cmd), "AT&L%s", p->incomingmsn);
/* translate , into ; since that is the seperator I4L uses, but can't be directly */
/* put in the config file because it will interpret the rest of the line as comment. */
q = cmd+4;
while (*q) {
if (*q == ',') *q = ';';
++q;
}
if (ast_modem_send(p, cmd, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set Listen to %s\n", p->msn);
return -1;
}
}
if (ast_modem_send(p, "AT&D2", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to DTR disconnect mode\n");
return -1;
}
if (ast_modem_send(p, "ATS18=1", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to audio only mode\n");
return -1;
}
if (ast_modem_send(p, "ATS13.6=1", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to RUNG indication\n");
return -1;
}
if (ast_modem_send(p, "ATS14=4", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to transparent mode\n");
return -1;
}
if (ast_modem_send(p, "ATS23=9", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to transparent/ringing mode\n");
return -1;
}
if (ast_modem_send(p, "AT+VSM=6", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to muLAW mode\n");
return -1;
}
if (ast_modem_send(p, "AT+VLS=2", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to phone line interface\n");
return -1;
}
p->escape = 0;
return 0;
}
static struct ast_frame *bestdata_handle_escape(struct ast_modem_pvt *p, char esc)
{
char name[30]="",nmbr[30]="";
time_t now;
/* Handle escaped characters -- but sometimes we call it directly as
a quick way to cause known responses */
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
p->fr.data = NULL;
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.offset = 0;
p->fr.mallocd = 0;
p->fr.delivery.tv_sec = 0;
p->fr.delivery.tv_usec = 0;
if (esc)
ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
switch(esc) {
case 'R': /* Pseudo ring */
time(&now);
if (now > (p->lastring + (RINGT / 1000)))
{ /* if stale, treat as new */
p->gotclid = 0;
}
if (p->gotclid)
{
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
}
p->ringt = RINGT;
time(&p->lastring);
return &p->fr;
case 'X': /* Caller-ID Spill */
if (p->gotclid) return &p->fr;
name[0] = nmbr[0] = 0;
for(;;)
{
char res[1000]="";
if (ast_modem_read_response(p, 5)) break;
strncpy(res, p->response, sizeof(res)-1);
ast_modem_trim(res);
if (!strncmp(res,"\020.",2)) break;
if (!strncmp(res,"NAME",4)) strncpy(name,res + 7, sizeof(name) - 1);
if (!strncmp(res,"NMBR",4)) strncpy(nmbr,res + 7, sizeof(nmbr) - 1);
}
p->gotclid = 1;
if ((!strcmp(name,"O")) || (!strcmp(name,"P"))) name[0] = 0;
if ((!strcmp(nmbr,"O")) || (!strcmp(nmbr,"P"))) nmbr[0] = 0;
if ((name[0]) && (nmbr[0])) snprintf(p->cid,sizeof(p->cid),
"\"%s\" <%s>",name,nmbr);
else if (name[0]) snprintf(p->cid,sizeof(p->cid),
"\"%s\"",name);
else if (nmbr[0]) snprintf(p->cid,sizeof(p->cid),
"%s",nmbr);
if (p->owner) p->owner->callerid = strdup(p->cid);
return &p->fr;
case '@': /* response from "OK" in command mode */
if (p->owner)
ast_setstate(p->owner, AST_STATE_UP);
if (bestdata_startrec(p)) return NULL;
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
return &p->fr;
case 'b': /* Busy signal */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_BUSY;
return &p->fr;
case 'o': /* Overrun */
ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
if (ast_modem_send(p, "\0x10E", 2))
ast_log(LOG_WARNING, "Unable to flush buffers\n");
return &p->fr;
case '0': /* All the DTMF characters */
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '*':
case '#':
case 'A':
case 'B':
case 'C':
case 'D':
p->dtmfrx = esc; /* save this for when its done */
return &p->fr;
case '/': /* Start of DTMF tone shielding */
p->dtmfrx = ' ';
return &p->fr;
case '~': /* DTMF transition to off */
if (p->dtmfrx > ' ')
{
p->fr.frametype = AST_FRAME_DTMF;
p->fr.subclass = p->dtmfrx;
}
p->dtmfrx = 0;
return &p->fr;
case 'u': /* Underrun */
ast_log(LOG_WARNING, "Data underrun\n");
/* Fall Through */
case CHAR_ETX: /* End Transmission */
case 'd': /* Dialtone */
case 'c': /* Calling Tone */
case 'e': /* European version */
case 'a': /* Answer Tone */
case 'f': /* Bell Answer Tone */
case 'T': /* Timing mark */
case 't': /* Handset off hook */
case 'h': /* Handset hungup */
case 0: /* Pseudo signal */
/* Ignore */
return &p->fr;
default:
ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
}
return &p->fr;
}
