Survivable Branch Appliance
Encyclopedia
A survivable branch appliance (SBA) is a device that aims to increase the resiliency of branch offices in terms of communications in cases of network
failures as it is able to switch VoIP calls from the network over into the PSTN.
Telecommunications network
A telecommunications network is a collection of terminals, links and nodes which connect together to enable telecommunication between users of the terminals. Networks may use circuit switching or message switching. Each terminal in the network must have a unique address so messages or connections...
failures as it is able to switch VoIP calls from the network over into the PSTN.