From b976a62a602cc56f0a29fa80099528f0db72f0c4 Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Thu, 14 Nov 2024 08:37:40 -0500
Subject: [PATCH] when forcing PCMU or PCMA we must also include
 telephone-event (#153)

---
 lib/call-session.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/call-session.js b/lib/call-session.js
index 0b6754e..d0a90ce 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -89,7 +89,10 @@ const updateRtpEngineFlags = (sdp, opts) => {
   try {
     const parsed = sdpTransform.parse(sdp);
     const codec = parsed.media[0].rtp[0].codec;
-    if (['PCMU', 'PCMA'].includes(codec)) opts.flags.push(`codec-accept-${codec}`);
+    if (['PCMU', 'PCMA'].includes(codec)) {
+      opts.flags.push(`codec-accept-${codec}`);
+      opts.flags.push('codec-accept-telephone-event');
+    }
   } catch (err) {}
   return opts;
 };