Simply stated it's a rebranding of existing Avaya solutions and technologies, with a new Avaya Session Manager layer built upon the IP Multimedia Subsystem (IMS) architectural framework for delivering IP multimedia services. Session Manager delivers two simple components to allow for multi-vendor hardware and software to communicate across the enterprise network.

1. Enterprise SIP Routing
2. User Relation providing a mapping for all devices associated with a user; it is a registrar and location server.