Avaya Aura® Session Manager handles call admission control, call re-direction, digit analysis, dial plan management, internal network call accounting feeds, toll by-pass, inter-office routing and international least cost routing. All administration and management of the enterprise-wide private global dial plan network is handled by this communications appliance, and managed as a single enterprise with Avaya Aura® System Manager.

Session Manager plays a different role for centralized users and IP Office users in deployment environments connected to Avaya Aura®. For IP Office users, Avaya Aura® Session Manager acts as a SIP proxy to route SIP sessions to and from the SIP connections to the IP Office. For centralized users, Avaya Aura® Session Manager is also the main interface that handles user registration and call routing.