From: Salah Ahmed <txrubel@gmail.com>
Date: Wed, 3 Apr 2019 15:55:07 +0000 (-0500)
Subject: chan_pjsip: DTMF Mode auto_info fallback lead to both inband and info
X-Git-Tag: 16.4.0-rc1~37^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e5b4b8616a5fd287f1ede281864c09631787958;p=thirdparty%2Fasterisk.git

chan_pjsip: DTMF Mode auto_info fallback lead to both inband and info

When the dtmf_mode on an endpoint is configured as "auto_info"
Asterisk will produce an inband DTMF tone alongside an INFO
message when sending DTMF.

ASTERISK-28371

Change-Id: I1380b82f006e110a1b83fbb50c9873edd13a5d9a
---

diff --git a/channels/chan_pjsip.c b/channels/chan_pjsip.c
index e5d5aea12b..9c27f33b11 100644
--- a/channels/chan_pjsip.c
+++ b/channels/chan_pjsip.c
@@ -2022,7 +2022,7 @@ static int chan_pjsip_digit_begin(struct ast_channel *chan, char digit)
 		break;
 	case AST_SIP_DTMF_AUTO_INFO:
 		if (!media || !media->rtp || (ast_rtp_instance_dtmf_mode_get(media->rtp) == AST_RTP_DTMF_MODE_NONE)) {
-			return -1;
+			return 0;
 		}
 		ast_rtp_instance_dtmf_begin(media->rtp, digit);
 		break;