v=0
o=- 37 614155991 IN IP4 127.0.0.0
s=QuickTime
t=0 0
a=range:npt=now-
m=audio 5432 RTP/AVP 0
c=IN IP4 XX.XX.X.XXX
b=AS:63
m=video 5434 RTP/AVP 96
c=IN IP4 XX.XX.X.XXX
a=rtpmap:96 H263-2000/90000
a=fmtp:96  
a=cliprect:0,0,144,176
a=framesize:96 176-144