[Asterisk-code-review] chan_sip: Expand hook flash recognition. (asterisk[18])

N A asteriskteam at digium.com
Thu May 13 09:01:49 CDT 2021


N A has uploaded this change for review. ( https://gerrit.asterisk.org/c/asterisk/+/15874 )


Change subject: chan_sip: Expand hook flash recognition.
......................................................................

chan_sip: Expand hook flash recognition.

Some ATAs send hook flash events as application/hook-flash, rather than a DTMF
event. Now, we also recognize hook-flash as a flash event.

ASTERISK-29370

Change-Id: I1c3b82a040dff3affcd94bad8ce33edc90c04725
---
M channels/chan_sip.c
1 file changed, 12 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/74/15874/1

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index b13b892..1c9ba5f 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -22626,6 +22626,18 @@
 	const char *c = sip_get_header(req, "Content-Type");
 
 	/* Need to check the media/type */
+
+	if (!strcasecmp(c, "application/hook-flash")) {
+		/* send a FLASH event, for ATAs that send flash as hook-flash not dtmf */
+		struct ast_frame f = { AST_FRAME_CONTROL, { AST_CONTROL_FLASH, } };
+		ast_queue_frame(p->owner, &f);
+		if (sipdebug) {
+			ast_verbose("* DTMF-relay event received: FLASH\n");
+		}
+		transmit_response(p, "200 OK", req);
+		return;
+	}
+
 	if (!strcasecmp(c, "application/dtmf-relay") ||
 	    !strcasecmp(c, "application/vnd.nortelnetworks.digits") ||
 	    !strcasecmp(c, "application/dtmf")) {

-- 
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Gerrit-Project: asterisk
Gerrit-Branch: 18
Gerrit-Change-Id: I1c3b82a040dff3affcd94bad8ce33edc90c04725
Gerrit-Change-Number: 15874
Gerrit-PatchSet: 1
Gerrit-Owner: N A <mail at interlinked.x10host.com>
Gerrit-MessageType: newchange
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