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Increment the sequence number on the end packets for RFC2833. After reading the RFC some more and doing some testing I agree with this change.

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(closes issue #12983)
Reported by: vt
Patches:
      dtmf_inc_seqnum_on_end_pkts.diff uploaded by vt (license 520)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@162653 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-12-10 16:05:29 +00:00
parent 8a7982c1ff
commit a6edd8ba5f
1 changed files with 3 additions and 3 deletions
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6
main/rtp.c
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@@ -2316,16 +2316,17 @@ int ast_rtp_senddigit_end(struct ast_rtp *rtp, char digit)
rtp->dtmfmute = ast_tvadd(ast_tvnow(), ast_tv(0, 500000));
rtpheader = (unsigned int *)data;
rtpheader[0] = htonl((2 << 30) | (1 << 23) | (rtp->send_payload << 16) | (rtp->seqno));
rtpheader[1] = htonl(rtp->lastdigitts);
rtpheader[2] = htonl(rtp->ssrc);
rtpheader[3] = htonl((digit << 24) | (0xa << 16) | (rtp->send_duration));
/* Set end bit */
rtpheader[3] |= htonl((1 << 23));
rtpheader[0] = htonl((2 << 30) | (rtp->send_payload << 16) | (rtp->seqno));
/* Send 3 termination packets */
for (i = 0; i < 3; i++) {
rtpheader[0] = htonl((2 << 30) | (rtp->send_payload << 16) | (rtp->seqno));
res = sendto(rtp->s, (void *) rtpheader, hdrlen + 4, 0, (struct sockaddr *) &rtp->them, sizeof(rtp->them));
rtp->seqno++;
if (res < 0)
ast_log(LOG_ERROR, "RTP Transmission error to %s:%d: %s\n",
ast_inet_ntoa(rtp->them.sin_addr),
@@ -2338,7 +2339,6 @@ int ast_rtp_senddigit_end(struct ast_rtp *rtp, char digit)
rtp->lastts += rtp->send_duration;
rtp->sending_digit = 0;
rtp->send_digit = 0;
rtp->seqno++;
return res;
}