DISCONTINUED KX-TDE200 Converged IP PBX Control Unit and (9) KX-NT366 IP 4 x 12 Button Speakerphone Kit provides up to 256 Extensions and 128 Central Office (CO). KX-TDE200 IP PBX System Features: Extensions System Total: 256 IP Proprietary Telephones (IP-PT): 64 SIP Extensions: 128 Single Line (a/b) Telephones (SLT): 128 Digital Proprietary Telephones (DPT) - DXDP : 256 Analog Proprietary Telephones (APT): 64 Direct Station Select (DSS) Consoles: 8 Voice Processing Systems (VPS): 2 Analog COs: 128 CO Line ISDN Trunk - PRI: 96 CO Line IP-Gateway (H323): 64 KX-NT366 IP Speakerphone Features: Compatible with the KX-TDE and KX-NCP IP PBX Panasonic Communications Systems so its ideal for companies with geographically diverse office locations and helps connect employees and customers IP-PT to LAN Connection IP-PT to PC Connection Alphanumeric Display 4 Level Adjustable LCD Contrast Caller ID Call Log Digital Duplex Speakerphone Multi-Language LCD Support Multi-Angle Tilt Body is available with 2 angles to allow for the most comfortable positioning Up to 8 Party Conference calling Paging available through the built-in speaker 2 Ethernet Ports (100 Base-T) Power Over Ethernet (PoE) or with KX-A239 AC Power Adaptor NOT Compatible with KX-NT303 and KX-NT305 Bluetooth compatible using KX-NT307 Adaptor Dimensions: 9.45" H x 12.99" W x 12.2" Available in Black or White Color Package Contents: (1) KX-TDE200 Hybrid IP PBX (9) KX-NT366 IP 4 x 12 Button Speakerphone