Hi
The message below is from ser to the UA, now it seems as if the c= is wrong, because the UA is behind a NAT, and the c= should be of my mediaproxy (...correct ?), but it is actually of my pstn GW
1.2.3.4 = ser x.x.x.x = client a.b.c.d = pstn gw
Also why are there two c= lines
Iqbal
U 2005/09/08 15:35:37.529854 1.2.3.4:5060 -> x.x.x.x:5060
. v=0. o=CiscoSystemsSIP-GW-UserAgent 3096 5788 IN IP4 a.b.c.d. s=SIP Call. c=IN IP4 a.b.c.d. t=0 0. m=audio 19570 RTP/AVP 0. c=IN IP4 a.b.c.d. a=rtpmap:0 PCMU/8000.