SIP Register Request: ATCF to S-CSCF
The following is an example of the SIP REGISTER request the ATCF sends to the S-CSCF.
REGISTER sip:homel.net SIP/2.0 Path: <sip:termsdgfdfwe@actf.visited2.net>;+g.3gpp.atcf="<tel:+1-237-888-9999>";+g.3gpp.atef- psi="<sip:actf.visited2.net>",<sip:aga2gfgf@pcscfl.visited2.net:5070;ob> Route: <sip:icscf.homel.net;lr> P-Visited-Network-ID: P-Charging-Vector: Via: SIP/2.0/UDP actf.visited2.net:5060;branch=z9hG4bKnas5889; SIP/2.0/UDP pcscfl.visited2.net:5060;branch=z9hG4bKnas56565, SIP/2.0/UDP [5555::aaa:bbb:ccc:eee];comp=sigcomp;branch=z9hG4bKnasiuen8;rport=5060;received=5555::aaa:bbb:ccc:eee Max-Forwards: 68 P-Access-Network-Info: From: To: Contact: Call-ID: Authorization: Require: Proxy-Require: CSeq: Supported: Content-Length: