The Panasonic KX-TDA50 control unit is initially configured with 4 Super Hybrid Extension ports and 4 Loop Start CO ports (1 LCOT Card), Power Supply, RS-232 port, USB port, MOH port, Paging port and an SD Card.
The system is expandable to to 8 CO's and 24 Extension ports.
The Panasonic KX-TDA50 Control Unit Features Include:
VOIP Gateway with QSIG (Enhanced System Networking)
PC Based Programming
DXDP (Digital Extra Device Port)
Automatic Route Selection (ARS)
Caller ID Name and Number to (DPT, APT, & SLT)
Uniform Call Distribution (UCD)
Direct Inward System Access (DISA)
Compatible with KX-T7600, 7400, 7700 Series and SLT Telephones
Two Year Warranty