OPTIONS sip:66.218.88.130 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.81:5060;branch=z9hG4bK37f69888
From: "asterisk" <sip:asterisk@10.0.0.81>;tag=as5bb6eefa
To: <sip:66.218.88.130>
Contact: <sip:asterisk@10.0.0.81>
Call-ID: 3e217d210b538bef3eaa66bd5f0a55fa@10.0.0.81
CSeq: 102 OPTIONS
User-Agent: TelSip 2.5.0
Date: Mon, 24 Jan 2005 23:12:44 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Content-Length: 0