--- channels/chan_sip.c 16 Nov 2005 17:46:59 -0000      1.913
+++ channels/chan_sip.c 17 Nov 2005 20:24:19 -0000
@@ -4267,7 +4267,7 @@
                         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,