C.1 Scope

29.1653GPPInter-IMS Network to Network Interface (NNI)Release 18TS

This annex provides a list of items that are recommended to be selected by inter-operator agreements for the interconnection between IMS operators using the II-NNI. The items in this annex have an influence on the service interconnection.

For the purposes of this annex, these items are called "option items". The option items are extracted from the present document other than this annex, and are categorized from the aspect of service provisioning by IMS operators.

If an option item is used based on inter-operator agreements, then relating capabilities described in the references are used over the II-NNI. In case of misalignment between the normative part of the present document and this annex, the normative part of the present document takes precedence.