Presence Services allows Presence and IM exchange between Avaya Aura® users that are hosted by a Presence Services cluster. Through federation, Presence Services allows Presence and IM exchange between Avaya Aura® users, and users that are hosted by a third-party server.

Presence Services also supports multi-user chat with federated users and Avaya Workplace Client clients. Presence Services supports multi-user chat sessions for XMPP and Microsoft RTC federated systems.

For more information, see Federated multi-user chat support and limitations.

Federation can also be used to allow presence and IM exchange between Avaya Aura® users in different Presence Services clusters.

Presence Services federation is certified with the following servers:

In all of the above cases, federation is supported whether Presence Services is deployed as a single-server or multi-server cluster, and federation is supported whether Presence Services supports a single or multiple presence domains.

Any standards based XMPP server is supported using the generic XMPP federation type.