<--- SIP read from 192.168.100.20:5060 ---> REGISTER sip:192.168.100.28:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.1.102;branch=z9hG4bKb55240d4139A1DFB From: "Keisha Strickler" ;tag=213E9627-8AF9B2D6 To: CSeq: 1 REGISTER Call-ID: 7fa5f8a-daad3141-7ef588e0@192.168.1.102 Contact: ;methods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER" User-Agent: PolycomSoundPointIP-SPIP_550-UA/2.1.0.2708 Max-Forwards: 70 Expires: 3600 Content-Length: 0 <-------------> --- (11 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.1.102 : 5060 (no NAT) <--- Transmitting (no NAT) to 192.168.1.102:5060 ---> SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.1.102;branch=z9hG4bKb55240d4139A1DFB;received=192.168.100.20 From: "Keisha Strickler" ;tag=213E9627-8AF9B2D6 To: Call-ID: 7fa5f8a-daad3141-7ef588e0@192.168.1.102 CSeq: 1 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 <------------> <--- Transmitting (no NAT) to 192.168.1.102:5060 ---> SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 192.168.1.102;branch=z9hG4bKb55240d4139A1DFB;received=192.168.100.20 From: "Keisha Strickler" ;tag=213E9627-8AF9B2D6 To: ;tag=as0c17e7e5 Call-ID: 7fa5f8a-daad3141-7ef588e0@192.168.1.102 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="497a7c67" Content-Length: 0