The Definity Callmaster V has 16 Call Appearance/Feature Buttons, 2 Headset Jacks and a 2-Line Display with Softkeys and Control Buttons.

The Callmaster V also has a Built-In Recorder Interface that allows you to connect a recording device for recording all voice interactions.

The Callmaster 5 buttons include: Mute, Speaker, Hold, Transfer/Test, Redial and Conf/Ring.

2 Year Warranty