Summary

This Supplementary Service describes the procedures and the signalling protocol for the Common Information Additional Network Feature in ITU‑T H.323 (Packet-based Multimedia Communications Systems) networks.

ANF-CMN enables the exchange of Common Information between ANF-CMN endpoints. This Common Information is a collection of miscellaneous information that relates to the user or equipment at one end of a connection and includes one or more of the following: Feature Identifiers, Party Category.

This Recommendation makes use of the "Generic functional protocol for the support of supplementary services in ITU‑T H.323" as defined in ITU‑T H.450.1.