IR.65 IMS Roaming and Interworking Guidelines v23.0

IR.65 IMS Roaming and Interworking Guidelines v23.0

December 21, 2016

All Documents, Networks Group

IR.65 gives common guidelines for IMS (IP Multimedia Subsystem as specified by 3GPP) inter-operator connections in order to prevent non-interoperable and/or inefficient IMS services & networks. Areas covered are IMS specific issues in roaming and interworking, addressing of users and network elements, routing of traffic, inter-operator related security issues, IP version usage and requirements for inter-PLMN backbone caused by IMS and the document concentrates on the network level .

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