Supported servers (through the Processor Ethernet interface) can act as a survivable call-processing servers for remote or branch customer locations. As Survivable Remote Servers, they have a complete set of Communication Manager features, and using its license file, it functions as a survivable call processor. If the link between the gateways and the primary controller is broken, those telephones and gateways that are designated to receive backup service register with the Survivable Remote Servers. The Survivable Remote Servers provides control to those registered devices in a license error mode, see Avaya Aura® Communication Manager Hardware Description and Reference.

For supported servers, see Avaya Aura® Communication Manager Hardware Description and Reference.