| V431 SmartVoice 3FXS, 1FXO | Downloads |
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The V431 comprises all the features of the V440 but adds 1 FXO (PSTN) port. This unit is best suited for installations where there is no PBX and customers want to use the gateway as a substitute. With PSTN failover, customers can have confidence that if there is any issues with their VoIP connection that they can still make and receive calls via the traditional voice network Features
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