In an Edge friendly branch survivability configuration, the survivable components, SRS and Branch Session Manager, in the G4xx media gateways connect to the core Communication Manager and Session Manager on cloud. The connection between the media gateways and cloud is over the Internet or through SD-WAN. Thus, providing you a comprehensive Total Cost of Ownership (TCO) advantages.

An Avaya Session Border Controller (SBC) is required at the core edge for connectivity to the branch. Third-party SBC is not supported in an edge friendly branch survivability configuration.