Ok, I'm trying to get the voicemail system working, however for some reason my Asterisk box is receiving a duplicated IP Address on the c line from OpenSER....below is the sample sip header. Is there anything in my openSER config file that would cause such a duplication? Rgds, Gerard INVITE sip:u5073@<DOMAIN>:5061 SIP/2.0 Record-Route: <sip:<DOMAIN_IP>;ftag=1d498377;lr=on> Via: SIP/2.0/UDP <DOMAIN_IP>;branch=z9hG4bKaed4.96adae34.1 Via: SIP/2.0/UDP 192.168.1.112:51006;received=<CLIENT_XIP>;branch=z9hG4bK-d8754z-0127430e81514e54-1---d8754z-;rport=51006 Max-Forwards: 69 Contact: <sip:0078@<CLIENT_XIP>:51006;nat=yes;nat=yes> To: "5073"<sip:5073@<DOMAIN>> From: "G Laptop"<sip:0078@<DOMAIN>>;tag=1d498377 Call-ID: NDZiOTUyNWFmYTQ3M2JlMjNiYzdmZjcyMGYyZDljZWE. CSeq: 1 INVITE Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO Content-Type: application/sdp User-Agent: X-Lite release 1100l stamp 47546 Content-Length: 481 P-hint: usrloc applied v=0 o=- 6 2 IN IP4 192.168.1.112 s=CounterPath X-Lite 3.0 *c=IN IP4 <XXX.XX.XXX.XXX><XXX.XX.XXX.XXX>* t=0 0 m=audio 3649036490 RTP/AVP 107 119 100 106 0 105 98 8 3 101 a=alt:1 1 : 4IoIRnGz iYQAZz1E 192.168.1.112 16720 a=fmtp:101 0-15 a=rtpmap:107 BV32/16000 a=rtpmap:119 BV32-FEC/16000 a=rtpmap:100 SPEEX/16000 a=rtpmap:106 SPEEX-FEC/16000 a=rtpmap:105 SPEEX-FEC/8000 a=rtpmap:98 iLBC/8000 a=rtpmap:101 telephone-event/8000 a=sendrecv a=nortpproxy:yes a=nortpproxy:yes