Detil
O2 is a module with 2 FXO ports to terminate two analog PSTN (POTS) lines.
It can be used for all model of Yeastar S-Series & P-Series VoIP PBX.
O2 is a module with 2 FXO ports to terminate two analog PSTN (POTS) lines.
It can be used for all model of Yeastar S-Series & P-Series VoIP PBX.