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overlap receiving: automatically send CALL PROCEEDING when dialplan starts

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Following Q.931 5.2.4
When the user has determined that sufficient call information has been received the 
user shall stop T302 and send CALL PROCEEDING to the network.

Previously timeouts were possible if the dialplan took a long time to issue any
response back to the network.

Verified that our local TELCO also does the same.

(issue #16789)
Reported by: alecdavis
Patches: 
      overlap_receiving_trunk.diff.txt uploaded by alecdavis (license 585)
Tested by: alecdavis



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@249320 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Alec L Davis
2010-02-27 22:49:51 +00:00
parent 7e2145b9ac
commit 98154867e6
1 changed files with 12 additions and 0 deletions
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12
channels/sig_pri.c
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@@ -1308,6 +1308,18 @@ static void *pri_ss_thread(void *data)
/* Start the real PBX */
ast_copy_string(chan->exten, exten, sizeof(chan->exten));
sig_pri_dsp_reset_and_flush_digits(p);
if (p->pri->overlapdial & DAHDI_OVERLAPDIAL_INCOMING) {
if (p->pri->pri) {
if (!pri_grab(p, p->pri)) {
pri_proceeding(p->pri->pri, p->call, PVT_TO_CHANNEL(p), 0);
p->proceeding = 1;
pri_rel(p->pri);
} else {
ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->pri->span);
}
}
}
sig_pri_set_echocanceller(p, 1);
ast_setstate(chan, AST_STATE_RING);
res = ast_pbx_run(chan);