│REGISTER sip:calamar0.nikotel.com SIP/2.0. │ │ │ │
│ │Via: SIP/2.0/UDP 192.168.2.204:5060;branch=z9hG4bK-c671b0c1;rport. │ │ │ │
│ │From: xxx <sip:[email protected]>;tag=dd7e91a3ab719570. │ │ │ │
│ │To: xxx <sip:[email protected]>. │ │ │ │
│ │Call-ID: [email protected] │ │ │ │
│ │CSeq: 656 REGISTER. │ │ │ │
│ │Max-Forwards: 70. │ │ │ │
│ │Authorization: Digest username="xxx",realm="nikotel.com",nonce="fefd3│ │ │ │
│ │0995b",uri="sip:[email protected]",algorithm=MD5,response="c58│ │ │ │
│ │a1c046032f2650a9532f45c9e4580",opaque="fefd30995bfefd30995b",qop=auth,nc=0│ │ │ │
│ │000002f,cnonce="545f0d5b". │ │ │ │
│ │Contact: xxx <sip:[email protected]:5060>;expires=180. │ │ │ │
│ │User-Agent: Sipura/SPA2000-2.0.9(d). │ │ │ │
│ │Content-Length: 0. │ │ │ │
│ │Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER. │ │ │ │
│ │Supported: x-sipura.