OpenVox FA40 4 Port Analog Failover Box

OpenVox FA40 is a 4-port analog interface failover box. It can better protect the unpredictable problems happen to the Asterisk PBX. It will provide an effective way to backup the Asterisk PBX when undesirable changes are detected (often when Asterisk fails or power-off of the system). FA40 provides a reliable and flexible solution to Asterisk PBX.