Cortelco 3100

The System 3100 is a PBX (Private Branch Exchange) business telephone system, employing digital switching technology. The System 3100 supports a range of proprietary multi-button telephones as well as single-line telephones and data equipment. A range of analog and digital circuits can be used for connection to the public telephone network.

The Plantronics M10, M12 and A20 Headset Adapter work with the following Cortelco 3100 system Telephones.

Telephone Sets:

• 3100 Sets: 2630, 2672, 2673, 2872, 2873
• 3100XL Sets: 281175, 281075, 281975, 281575, 281575, 282175, 282075, 282975, 282575
• 3100 Console: 237501 TLP, TSP