Tech-invite   World Map
3GPPspecs     Glossaries     T+       IETF     RFCs     Groups     SIP     ABNFs

IMS Registration signalling flow —
User not registered

 

 

 

Here        Up        None        Next

 

IMS R1-3a. SIP REGISTER request, with credentials: from UE1 to P-CSCF1

R1-3a.  SIP REGISTER request, with credentials: from UE1 to P-CSCF1  (13 of 22)

  • Authorization: This carries the response to the authentication challenge received in step 11 along with the private user identity, the realm, the nonce, the URI and the algorithm.
    This message is protected by the IPsec SA negotiated.
  •  

  • Security-Verify: Contains the security agreement as represented by the received Security-Server header.