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Make sure that the timestamp for DTMF is not the same as the previous voice frame and do not send audio when transmitting DTMF as this confuses some equipment.

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(closes issue #13209)
Reported by: ip-rob
Patches:
      13209.diff uploaded by file (license 11)
Tested by: ip-rob, bujones


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@162204 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-12-09 19:47:07 +00:00
parent 7209e0e173
commit 114c659195
1 changed files with 6 additions and 2 deletions
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8
main/rtp.c
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@@ -2215,6 +2215,7 @@ int ast_rtp_senddigit_begin(struct ast_rtp *rtp, char digit)
rtp->dtmfmute = ast_tvadd(ast_tvnow(), ast_tv(0, 500000));
rtp->send_duration = 160;
rtp->lastdigitts = rtp->lastts + rtp->send_duration;
/* Get a pointer to the header */
rtpheader = (unsigned int *)data;
@@ -2334,10 +2335,9 @@ int ast_rtp_senddigit_end(struct ast_rtp *rtp, char digit)
ast_inet_ntoa(rtp->them.sin_addr),
ntohs(rtp->them.sin_port), rtp->send_payload, rtp->seqno, rtp->lastdigitts, res - hdrlen);
}
rtp->lastts += rtp->send_duration;
rtp->sending_digit = 0;
rtp->send_digit = 0;
/* Increment lastdigitts */
rtp->lastdigitts += 960;
rtp->seqno++;
return res;
@@ -2621,6 +2621,10 @@ static int ast_rtp_raw_write(struct ast_rtp *rtp, struct ast_frame *f, int codec
int pred;
int mark = 0;
if (rtp->sending_digit) {
return 0;
}
ms = calc_txstamp(rtp, &f->delivery);
/* Default prediction */
if (f->frametype == AST_FRAME_VOICE) {