From f2b836ff4f9f34c48f36b9aca18c633834dc0ace Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Thu, 31 Aug 2006 21:00:16 +0000
Subject: [PATCH] Tweak the DTMF muting stuff a bit to take into account VLDTMF
and compensation.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@41632 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
main/rtp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/main/rtp.c b/main/rtp.c
index 619acc347f..b62ed1480a 100644
--- a/main/rtp.c
+++ b/main/rtp.c
@@ -545,7 +545,8 @@ void ast_rtp_setdtmfcompensate(struct ast_rtp *rtp, int compensate)
static struct ast_frame *send_dtmf(struct ast_rtp *rtp, enum ast_frame_type type)
{
- if (ast_tvcmp(ast_tvnow(), rtp->dtmfmute) < 0) {
+ if (((ast_test_flag(rtp, FLAG_DTMF_COMPENSATE) && type == AST_FRAME_DTMF_END) ||
+ (type == AST_FRAME_DTMF_BEGIN)) && ast_tvcmp(ast_tvnow(), rtp->dtmfmute) < 0) {
if (option_debug)
ast_log(LOG_DEBUG, "Ignore potential DTMF echo from '%s'\n", ast_inet_ntoa(rtp->them.sin_addr));
rtp->resp = 0;
@@ -2078,6 +2079,8 @@ int ast_rtp_senddigit_end(struct ast_rtp *rtp, char digit)
if (digit_convert(digit))
return -1;
+ 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);
--
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