
Avaya Aura
Avaya Aura is Avaya's platform for large and distributed enterprises that need resilient voice, messaging and collaboration. Its core components are Communication Manager for call processing, Session Manager for SIP routing and System Manager for central administration. Per Avaya's Release 10.2.x documentation, Communication Manager runs from under 100 to 41,000 users on one system, Session Manager supports up to 28 instances per enterprise, and the platform scales to 300,000 users and 1 million devices. It is the call-control layer behind Avaya J100 phones, Vantage devices and conference phones such as the B199.




