diff --git a/ChangeLog b/ChangeLog
index 37caadb193..621cbd2b81 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-11-16  Russell Bryant  <russell@digium.com>
+
+	* channels/chan_sip.c: Add missing carriage return and line feed to the SDP line indicating that we don't support VAD (issue #5780)
+
 2005-11-16  Kevin P. Fleming  <kpfleming@digium.com>
 
 	* Asterisk 1.2.0 released.
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index d44655a953..c3b6e9b1da 100755
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4267,7 +4267,7 @@ static void add_codec_to_sdp(const struct sip_pvt *p, int codec, int sample_rate
 			 sample_rate);
 	if (codec == AST_FORMAT_G729A)
 		/* Indicate that we don't support VAD (G.729 annex B) */
-		ast_build_string(a_buf, a_size, "a=fmtp:%d annexb=no", rtp_code);
+		ast_build_string(a_buf, a_size, "a=fmtp:%d annexb=no\r\n", rtp_code);
 }
 
 static void add_noncodec_to_sdp(const struct sip_pvt *p, int format, int sample_rate,