The KX-TDA50G offers small to mid-size businesses completely customizable and scalable communications solutions that are reliable, affordable and flexible. It provides reliable voice and data communications, voice mail, wireless capability to stay connected to remote and mobile colleagues and the ability to save money on communication charges with SIP Trunking. KX-TDA50G Features: State-of-the-art wireless capability that makes it easy to stay in touch with employees that are constantly moving or awy from their desks Businesses with multiple locations can now be networked together using advanced IP technology, ISDN, or basic T1 services Supports centralized voicemail Configuration: 4 Super hybrid extension ports and 4 loop start CO ports (1 LCOT card) Caller ID (CID4 card) Power supply RS232 port USB port MOH port Paging port and SD card System is expandable to 8 CO's and 24 physical extension ports or 12 CO's and 20 physical extension ports 28 extension ports can support a combination of 52 wired and wireless extensions Capable of supporting 48 digital KX-T7600 series telephones with the use of D-PITS Multi cell wireless PC based programming Automatic route selection (ARS) Toll restriction Caller ID VoIP Digital voice mail integration Compatible with KX-T7600, 7400, 7700 series telephones, SLT and VoIP telephones 3 Line LCD (Display) with 24 Characters LCD Backlit Headset Jack Message Waiting LED Digital Duplex Speakerphone Personal Speed Dial: 100 Alphanumeric Directory Search Call Log: 100 Programmable Function Buttons: 24 Soft Key: 4 Interface for CTI (3rd party): USB Add-on Key Module / DSS Console Compatible Bluetooth Module (Headset) Extra Device Port (for analog device) Navigation Key Ringer Tone/Melody: 30 Tilt Step Angle Design Wall Mountable