Patent ID: 9124597
Filing Date: 2015-09-01
Classification: H04L,H04W

Abstract:
1. A method in a Proxy Call Session Control Function (P-CSCF) node of a telecommunications network, the method comprising: receiving from a Serving Call Session Control Function (S-CSCF) node of the telecommunications network a response to a register request message, the response containing a policy indicator relating to a user equipment making a register request, wherein the policy indicator provides an indication as to whether the user equipment has an authorization policy associated therewith; determining from the policy indicator whether the user equipment has an associated authorization policy; determining whether to delay sending a registration acceptance message to the user equipment depending on whether the user equipment has an associated authorization policy; and controlling a further operation of the P-CSCF node depending upon whether or not the user equipment is determined as having an associated authorization policy, wherein controlling the further operation of the P-CSCF node comprises: