ETSI - TS 129 165
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Inter-IMS Network to Network Interface (NNI)
| Organization: | ETSI |
| Publication Date: | 1 January 2020 |
| Status: | inactive |
| Page Count: | 128 |
scope:
The objective of this document is to address the Inter-IMS Network to Network Interface (II-NNI) consisting of Ici and Izi reference points between IMS networks in order to support end-to-end service interoperability.
The present document will address the issues related to control plane signalling (3GPP usage of SIP and SDP protocols, required SIP header fields) as well as other interconnecting aspects like security, numbering/naming/add
Charging aspects will be addressed as far as SIP signalling is concerned.
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