10:24:17.016 Wed 07 Jan 2009, 192.168.1.100:5060/udp (378 bytes): sent
REGISTER sip:192.168.1.100 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.21:5090;rport;branch=z9hG4bK39291
Max-Forwards: 70
To: "1000" <sip:1000@192.168.1.100>
From: "1000" <sip:1000@192.168.1.100>;tag=z9hG4bK10961779
Call-ID: 564105136549@192.168.1.21
CSeq: 1 REGISTER
Contact: <sip:1000@192.168.1.21:5090>
Expires: 3600
User-Agent: mjsip stack 1.6
Content-Length: 0

-----End-of-message-----

10:24:17.063 Wed 07 Jan 2009, 60.250.113.118:5060/udp (441 bytes): received
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.21:5090;branch=z9hG4bK39291;received=192.168.1.21;rport=38530
From: "10000" <sip:1000@60.250.113.118>;tag=z9hG4bK10961779
To: "10000" <sip:1000@60.250.113.118>
Call-ID: 564105136549@192.168.1.21
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:1000@192.168.1.100>
Content-Length: 0

-----End-of-message-----

10:24:17.063 Wed 07 Jan 2009, 192.168.1.100:5060/udp (501 bytes): received
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.1.21:5090;branch=z9hG4bK39291;received=192.168.1.21;rport=38530
From: "1000" <sip:1000@192.168.1.100>;tag=z9hG4bK10961779
To: "1000" <sip:1000@192.168.1.100>;tag=as1ba0e02e
Call-ID: 564105136549@192.168.1.21
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6a88e558"
Content-Length: 0

-----End-of-message-----

10:24:17.063 Wed 07 Jan 2009, 60.250.113.118:5060/udp (375 bytes): sent
REGISTER sip:192.168.1.100 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.21:5090;rport;branch=z9hG4bK82029
Max-Forwards: 70
To: "1000" <sip:1000@192.168.1.100>
From: "1000" <sip:1000@192.168.1.100>;tag=z9hG4bK13629684
Call-ID: 215038289333@192.168.1.21
CSeq: 1 REGISTER
Contact: <sip:1000@192.168.1.21:5090>
Expires: 0
User-Agent: mjsip stack 1.6
Content-Length: 0

-----End-of-message-----

10:24:17.125 Wed 07 Jan 2009, 60.250.113.118:5060/udp (441 bytes): received
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.21:5090;branch=z9hG4bK82029;received=192.168.1.21;rport=38530
From: "1000" <sip:1000@192.168.1.100>;tag=z9hG4bK13629684
To: "1000" <sip:1000@192.168.1.100>
Call-ID: 215038289333@192.168.1.21
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:1000@192.168.1.100>
Content-Length: 0

-----End-of-message-----