Features: Maximum capacity 160 ports. Multi-cell wireless. VoIP Gateway with QSIG (Enhanced System Networking) and extensions. PC based programming. Digital extra device port. Automatic route selection. Toll restrictions. Name/Number Caller ID. ISN primary rate interface wit QSIG and T1. Voice mail integration. Networking with centralized voice mail. Uniformed call distribution. Direct inward system access. Up to 640 lines and/or 920 extensions. 43 universal slots. 512 portable handsets. CYI/LAN/WAN connectivity. Enhanced call center functionality. USB terminal for easy plug in play functionality

Features:

Max CO Lines: 640
Max Analog COs: 640
Max VoIP (H.323) trunks: 32
Max Total Extensions: 960 (1120 using DXDP)
Max Analog Proprietary Extensions: 320
Max Single Line Telephones: 960
Max Digital Proprietary extensions: 512 (640 with T7600, DT300 series)
Max IP Proprietary Phone extensions: 640
Multi-Cell Wireless Compatibility
Maximum Cell Stations (Antennas): Up to 128
Maximum Portable Handsets: 256 ( 512 with memory expansion card)
Maximum Doorphones: 64
Centralized Voicemail: with KX-TVA Voice Mail Systems
Direct Station select (DSS) Consoles: 64
Dimensions (H x W x D): 16.3 x 16.9 x 10.6 (per shelf)
Part Number: KX-TDA600