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Restore the 'w' modifier support for ISDN spans. Dial(DAHDI/g0/1234w888)

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This feature also causes the sending complete ie to be sent for switch
types that do not automatically send the ie.  (EuroISDN/ETSI)

The main difference between dialing Dial(DAHDI/g0/1234w888) and
Dial(DAHDI/g0/1234,,D(888)) is the sending of the sending complete ie.

(closes issue ASTERISK-19176)
Reported by: rmudgett
Tested by: rmudgett


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@353867 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2012-02-02 20:01:00 +00:00
parent 749b33018e
commit c5fc58c3a0
3 changed files with 152 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
channels/sig_pri.c
View File

@@ -137,6 +137,8 @@ static const char *sig_pri_call_level2str(enum sig_pri_call_level level)
return "Proceeding";
case SIG_PRI_CALL_LEVEL_ALERTING:
return "Alerting";
case SIG_PRI_CALL_LEVEL_DEFER_DIAL:
return "DeferDial";
case SIG_PRI_CALL_LEVEL_CONNECT:
return "Connect";
}
@@ -214,6 +216,13 @@ static void sig_pri_make_cc_dialstring(struct sig_pri_chan *p, char *buf, size_t
}
#endif /* defined(HAVE_PRI_CCSS) */
static void sig_pri_dial_digits(struct sig_pri_chan *p, const char *dial_string)
{
if (p->calls->dial_digits) {
p->calls->dial_digits(p->chan_pvt, dial_string);
}
}
/*!
* \internal
* \brief Reevaluate the PRI span device state.
@@ -1460,6 +1469,7 @@ static int pri_fixup_principle(struct sig_pri_span *pri, int principle, q931_cal
#if defined(HAVE_PRI_SETUP_KEYPAD)
strcpy(new_chan->keypad_digits, old_chan->keypad_digits);
#endif /* defined(HAVE_PRI_SETUP_KEYPAD) */
strcpy(new_chan->deferred_digits, old_chan->deferred_digits);
#if defined(HAVE_PRI_AOC_EVENTS)
new_chan->aoc_s_request_invoke_id = old_chan->aoc_s_request_invoke_id;
new_chan->aoc_e = old_chan->aoc_e;
@@ -5719,14 +5729,28 @@ static void *pri_dchannel(void *vpri)
#endif /* defined(HAVE_PRI_CALL_WAITING) */
sig_pri_handle_subcmds(pri, chanpos, e->e, e->answer.channel,
e->answer.subcmds, e->answer.call);
if (pri->pvts[chanpos]->call_level < SIG_PRI_CALL_LEVEL_CONNECT) {
pri->pvts[chanpos]->call_level = SIG_PRI_CALL_LEVEL_CONNECT;
if (!ast_strlen_zero(pri->pvts[chanpos]->deferred_digits)) {
/* We have some 'w' deferred digits to dial now. */
ast_verb(3,
"Span %d: Channel %d/%d dialing deferred digit string: %s\n",
pri->span, pri->pvts[chanpos]->logicalspan,
pri->pvts[chanpos]->prioffset,
pri->pvts[chanpos]->deferred_digits);
if (pri->pvts[chanpos]->call_level < SIG_PRI_CALL_LEVEL_DEFER_DIAL) {
pri->pvts[chanpos]->call_level = SIG_PRI_CALL_LEVEL_DEFER_DIAL;
}
sig_pri_dial_digits(pri->pvts[chanpos],
pri->pvts[chanpos]->deferred_digits);
} else {
if (pri->pvts[chanpos]->call_level < SIG_PRI_CALL_LEVEL_CONNECT) {
pri->pvts[chanpos]->call_level = SIG_PRI_CALL_LEVEL_CONNECT;
}
sig_pri_open_media(pri->pvts[chanpos]);
pri_queue_control(pri, chanpos, AST_CONTROL_ANSWER);
sig_pri_set_dialing(pri->pvts[chanpos], 0);
/* Enable echo cancellation if it's not on already */
sig_pri_set_echocanceller(pri->pvts[chanpos], 1);
}
sig_pri_open_media(pri->pvts[chanpos]);
pri_queue_control(pri, chanpos, AST_CONTROL_ANSWER);
/* Enable echo cancellation if it's not on already */
sig_pri_set_dialing(pri->pvts[chanpos], 0);
sig_pri_set_echocanceller(pri->pvts[chanpos], 1);
#ifdef SUPPORT_USERUSER
if (!ast_strlen_zero(e->answer.useruserinfo)) {
@@ -6432,7 +6456,14 @@ void sig_pri_extract_called_num_subaddr(struct sig_pri_chan *p, const char *rdes
if (strlen(number) < p->stripmsd) {
number = "";
} else {
char *deferred;
number += p->stripmsd;
deferred = strchr(number, 'w');
if (deferred) {
/* Remove any 'w' deferred digits. */
*deferred = '\0';
}
while (isalpha(*number)) {
++number;
}
@@ -6548,7 +6579,6 @@ int sig_pri_call(struct sig_pri_chan *p, struct ast_channel *ast, char *rdest, i
}
dialed_subaddress.str = s;
dialed_subaddress.valid = 1;
s = NULL;
}
l = NULL;
@@ -6577,6 +6607,21 @@ int sig_pri_call(struct sig_pri_chan *p, struct ast_channel *ast, char *rdest, i
ast_log(LOG_WARNING, "Number '%s' is shorter than stripmsd (%d)\n", c, p->stripmsd);
return -1;
}
/* Extract any 'w' deferred digits. */
s = strchr(c + p->stripmsd, 'w');
if (s) {
*s++ = '\0';
ast_copy_string(p->deferred_digits, s, sizeof(p->deferred_digits));
/*
* Since we have a 'w', this means that there will not be any
* more normal dialed digits. Therefore, the sending complete
* ie needs to be sent with any normal digits.
*/
} else {
p->deferred_digits[0] = '\0';
}
pri_grab(p, p->pri);
if (!(p->call = pri_new_call(p->pri->pri))) {
ast_log(LOG_WARNING, "Unable to create call on channel %d\n", p->channel);
@@ -6584,7 +6629,8 @@ int sig_pri_call(struct sig_pri_chan *p, struct ast_channel *ast, char *rdest, i
return -1;
}
if (!(sr = pri_sr_new())) {
ast_log(LOG_WARNING, "Failed to allocate setup request channel %d\n", p->channel);
ast_log(LOG_WARNING, "Failed to allocate setup request on channel %d\n",
p->channel);
pri_destroycall(p->pri->pri, p->call);
p->call = NULL;
pri_rel(p->pri);
@@ -7306,6 +7352,40 @@ int sig_pri_digit_begin(struct sig_pri_chan *pvt, struct ast_channel *ast, char
return 1;
}
/*!
* \brief DTMF dial string complete.
* \since 1.8.11
*
* \param pvt sig_pri private channel structure.
* \param ast Asterisk channel
*
* \note Channel and private lock are already held.
*
* \return Nothing
*/
void sig_pri_dial_complete(struct sig_pri_chan *pvt, struct ast_channel *ast)
{
/* If we just completed 'w' deferred dialing digits, we need to answer now. */
if (pvt->call_level == SIG_PRI_CALL_LEVEL_DEFER_DIAL) {
pvt->call_level = SIG_PRI_CALL_LEVEL_CONNECT;
sig_pri_open_media(pvt);
{
struct ast_frame f = {AST_FRAME_CONTROL, };
if (pvt->calls->queue_control) {
pvt->calls->queue_control(pvt->chan_pvt, AST_CONTROL_ANSWER);
}
f.subclass.integer = AST_CONTROL_ANSWER;
ast_queue_frame(ast, &f);
}
sig_pri_set_dialing(pvt, 0);
/* Enable echo cancellation if it's not on already */
sig_pri_set_echocanceller(pvt, 1);
}
}
#if defined(HAVE_PRI_MWI)
/*!
* \internal