Bizfon 680 Box 3 Control Unit (BIZ-1683)

• (Requires Bizfon 680 Box #1 Control Unit and Box #2 expansion unit)
• Bizfon 683 Expansion Box #2 - Adds 6 incoming phone lines and 8 extensions with 2 hours of voicemail, to 680 Box #1 and Box #2. Building the system to 18 phone lines and 24 extensions with 6 hours of recording time adn 42 port voicemail.
• Includes 3-Box cable kit and 1 year warranty.

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