The Avaya Aura® solution offers several methods to ensure its reliability. Avaya has a long-standing commitment to high availability in hardware and software design and the architectural strength.

This section describes availability and its significance to a communications system. Hardware-design considerations, software-design and recovery considerations, and IP and SIP telephone and remote branch gateway recovery. The reliability methods include duplicated systems and backup systems available if there is a problem with the main system or a network outage.