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公开(公告)号:US20220131911A1
公开(公告)日:2022-04-28
申请号:US17507146
申请日:2021-10-21
Applicant: NOKIA SOLUTIONS AND NETWORKS OY
Inventor: Prashanti DAS , Bruno LANDAIS
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.