Hi,

i am not sure but i think your sip client is sending invalid SDP. it should look like this instead.

m=audio 1935 RTP/AVP 0
a=rtpmap:0 SPEEX/8000


m=audio 1935 RTP/AVP 0
a=rtpmap:98 SPEEX/8000



Regards,

--
Ghulam Mustafa
cell: +92 333.611.7681
sip: cyrenity@ekiga.net
mail: mustafa.pk@gmail.com
web: cyrenity.wordpress.com