Hello,

I have a problem with registering to the SER.
I use X-Lite SIP softphone, and when I try to register to the SER, I get following messages;

(c)2003 Xten Networks Inc. All rights reserved.
Private build: 1085

Established SIP protocol listen on: 192.168.2.101:5060

Discovered Port Restricted Cone NAT Firewall

SIP: 192.168.2.101:5060
RTP: 192.168.2.101:8000
NAT: 61.116.104.137

PROXY#0: 192.168.2.253:5060

SEND >> 192.168.2.253:5060
REGISTER sip:vfrnd.jp SIP/2.0
Via: SIP/2.0/UDP 192.168.2.101:5060;rport;branch=z9hG4bK235BF512110411D8A98C0090FE68D625
From: hiro <sip:iizuka@vfrnd.jp>
To: hiro <sip:iizuka@vfrnd.jp>
Contact: "hiro" <sip:iizuka@192.168.2.101:5060>
Call-ID: 235BF50F110411D8A98C0090FE68D625@vfrnd.jp
CSeq: 61073 REGISTER
Expires: 1800
Max-Forwards: 70
User-Agent: X-Lite build 1085
Content-Length: 0

SEND >> 192.168.2.253:5060
REGISTER sip:vfrnd.jp SIP/2.0
Via: SIP/2.0/UDP 192.168.2.101:5060;rport;branch=z9hG4bK235BF512110411D8A98C0090FE68D625
From: hiro <sip:iizuka@vfrnd.jp>
To: hiro <sip:iizuka@vfrnd.jp>
Contact: "hiro" <sip:iizuka@192.168.2.101:5060>
Call-ID: 235BF50F110411D8A98C0090FE68D625@vfrnd.jp
CSeq: 61073 REGISTER
Expires: 1800
Max-Forwards: 70
User-Agent: X-Lite build 1085
Content-Length: 0

RECEIVE << 192.168.2.253:5060
SIP/2.0 478 Unresolveable destination (478/TM)
Via: SIP/2.0/UDP 192.168.2.101:5060;rport=5060;branch=z9hG4bK235BF512110411D8A98C0090FE68D625
From: hiro <sip:iizuka@vfrnd.jp>
To: hiro <sip:iizuka@vfrnd.jp>;tag=a6a1c5f60faecf035a1ae5b6e96e979a-0e7b
Call-ID: 235BF50F110411D8A98C0090FE68D625@vfrnd.jp
CSeq: 61073 REGISTER
Server: Sip EXpress router (0.8.11 (i386/linux))
Content-Length: 0
Warning: 392 192.168.2.253:5060 "Noisy feedback tells:
pid=11731 req_src_ip=192.168.2.101 req_src_port=5060 in_uri=sip:vfrnd.jp out_uri=sip:vfrnd.jp via_cnt==1"

Thanks in advance.

Hiro