IMS

SIP Method : 200 OK

[ Line 1  ] SIP/2.0 200 OK

[ Line 2  ] Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK3933794001smg;transport=UDP

[ Line 3  ] From: <sip:+11234567890@ims.sharetechnote.com>;tag=2504745718

[ Line 4  ] To: <sip:+11234567890@ims.sharetechnote.com>;tag=987654321

[ Line 5  ] Call-ID: 500949143@192.168.1.15

[ Line 6  ] CSeq: 1 REGISTER

[ Line 7  ] Allow: INVITE, ACK, CANCEL, BYE, PRACK, MESSAGE

[ Line 8  ] Supported: 100rel, timer

[ Line 9  ] Date: Tue, 27 Mar 2012 19:49:16 GMT

[ Line 10 ] Contact: <sip:+11234567890@192.168.1.15:5060>;expires=3600

[ Line 11 ] Content-Length: 0

[ Line 7  ] Allow:

This Field lists the set of methods supported by the UA which generate the message. (See "20.5 Allow" of  RFC 3261).

[ Line 8  ] Supported:

This field enumerates all the extensions supported by the UAC(User Agent Client) or UAS(User Agent Server). (See "20.37 Supported" of  RFC 3261).