If your PBX system has no TFE port but you want to use a door terminal, choose the TFS-Dialog 200. It is connected directly to one of your system's analog subscriber ports using a 2-wire cable, and...
If your PBX system has no TFE port but you want to use a door terminal, choose the TFS-Dialog 200. It is connected directly to one of your system's analog subscriber ports using a 2-wire cable, and...