公开(公告)号：US12074920B2

公开(公告)日：2024-08-27

申请号：US17507146

申请日：2021-10-21

Applicant: NOKIA SOLUTIONS AND NETWORKS OY

Inventor： Prashanti Das ,  Bruno Landais

IPC: H04L65/1073 ,  H04L65/1045 ,  H04W48/16

CPC classification number: H04L65/1073 ,  H04L65/1045 ,  H04W48/16

Abstract: There is provided an apparatus for a Proxy Call Session Control Function (P-CSCF), the apparatus being arranged to send a first registration request to a network repository function for registering the P-CSCF with the network repository function, the first registration request comprising at least one first identifier for the P-CSCF over an interface between the P-CSCF and a user equipment.