PCS-320M1 is a H.320 MCU Software in the form of memory stick for multipoint video conferencing. It is an optional accessory of PCS-1/1P.

• The PCS-320M1 enables a multi-point videoconference up to six sites via an ISDN line.
• The PCS-320M1 H.320 MCU (Multi-point Control Unit) Software allows the PCS-1/1P to hold a multi-point videoconference up to six sites compliant with the ITU-T H.320 standard via an ISDN line, and also accepts audio-only connections by telephone.
• Multi-point videoconferencing up to six sites compliant with the ITU-T H.320 standard
• Accepts audio-only connections by telephone
• Offers data-sharing capabilities for the PCS-1/1P