v=0
o=- 3792998364 3792998364 IN IP4 192.168.247.34
s=-
t=0 0
m=audio 4000 RTP/AVP 0 8 9 3 4 105 106 18 101
c=IN IP4 192.168.247.34
a=rtcp:4001 IN IP4 192.168.247.34
a=sendrecv
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:3 GSM/8000
a=rtpmap:4 G723/8000
a=rtpmap:105 speex/8000
a=rtpmap:106 speex/16000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15

v=0
o=- 3792998504 3792998504 IN IP4 10.66.242.238
s=sip_voip
t=0 0
m=audio 4000 RTP/AVP 0 8 9 3 103 104 102 18 101
c=IN IP4 10.66.242.238
a=rtcp:4001 IN IP4 10.66.242.238
a=sendrecv
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:3 GSM/8000
a=rtpmap:103 speex/16000
a=rtpmap:104 speex/32000
a=rtpmap:102 speex/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16