I can confirm  mod_speex.so exists and is loaded in  modules.conf.xml .  am trying this again to see where am going wrong ..<br><br><div class="gmail_quote">On Tue, Nov 23, 2010 at 10:40 PM, Brian West <span dir="ltr">&lt;<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div style="word-wrap: break-word;">You possibly do not have mod_speex loaded or built.<div>

<br></div><font color="#888888"><div>/b</div></font><div class="im"><div><br><div><div>On Nov 23, 2010, at 2:02 PM, David Wafula wrote:</div><br><blockquote type="cite"><span style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; font-size: medium;"><div>

May be my SIP knowledge is just too shallow, so this is what am getting:</div><div><br></div><div><div>m=audio 1935 RTP/AVP 98</div><div>a=rtpmap:98 SPEEX/8000</div><div><br></div><div>2010-11-23 19:54:29.301838 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[G7221:115:32000:20:48000]</div>

<div>2010-11-23 19:54:29.301838 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[G7221:107:16000:20:32000]</div><div>2010-11-23 19:54:29.301838 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[G722:9:8000:20:64000]</div>

<div>2010-11-23 19:54:29.301838 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[PCMU:0:8000:20:64000]</div><div>2010-11-23 19:54:29.301838 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[PCMA:8:8000:20:64000]</div>

<div>2010-11-23 19:54:29.302883 [DEBUG] sofia_glue.c:4367 Audio Codec Compare [SPEEX:98:8000:0:0]/[GSM:3:8000:20:13200]</div><div>2010-11-23 19:54:29.302883 [DEBUG] switch_channel.c:2457 (<a href="mailto:sofia/internal/1000@xx.xx.xx.xx" target="_blank">sofia/internal/1000@xx.xx.xx.xx</a>) Callstate Change DOWN -&gt; HANGUP</div>

</div><div><div>2010-11-23 19:54:29.302883 [NOTICE] sofia.c:4791 Hangup<span> </span><a href="mailto:sofia/internal/1000@xx.xx.xx.xx" target="_blank">sofia/internal/1000@xx.xx.xx.xx</a><span> </span>[CS_NEW] [INCOMPATIBLE_DESTINATION]</div>

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<br></blockquote></div><br><br clear="all"><br>-- <br>David Wafula<br>