Description
Starting 1.0.23.x, Grandstream IP PBX UCM supports High Availability (HA) in Route mode. This article describes an example network diagram of HA in Route and Switch mode.
HA in Route Mode
The full user guide can be found under HA Configuration Using “Route” Mode section. The steps describe the topology below:
HA in Switch Mode
This scenario deployment is common when the Internet Service Provider provides a physical cable to connect with their VoIP Trunk. A router is required.