Panasonic KX-TDE200 System Capacity: Maximum CO (POTS) Lines: 128 Maximum PRI Channels: 92 (4 Cards) Maximum T-1 Channels: 96 (4 Cards) Maximum SIP Trunks: 32 Maximum IP Gateway Trunks (IP-GW4): 16 Channels (4 Cards) Maximum IP Gateway Trunks (IP-GW16): 64 Channels (4 Cards) Maximum Number of Virtual IP Gateway Trunks (V-IPGW16): 32 Channels (2 Cards) Maximum Digital Extensions: 128 (256 with DXDP, Not Recommended with all sites) Maximum Analog Proprietary Extensions (KX-T7700 Series Phones): 64 Maximum Single Line Telephones: 128 Maximum IP Phones: 160 IP Phones Supported by Licenses on DSP Card (Virtual Extensions) 64 IP Phone Supported by IP-EXT16 (Physical Extensions) 96 Maximum SIP Extensions: 128 Maximum Cell Stations: 32 Maximum Wireless Phones: 128 Maximum Door Phones: 16 Maximum DSS Consoles: 8 Panasonic KXTDE200 Features: PC Based Programming T-1 or PRI Interface Caller ID Option Call Logging- Incoming and Outgoing Numbers Voice over IP Capabilities Voice over IP Remote Phones- Hardphones or Softphones Ability to Connect Multiple Sites via Gateway Cards with QSIG SIP Extensions- Compatible with Polycom Soundpoint SIP Phones Voice Mail Integration with Auto Attendant Centralized Voicemail Option with KX-TVA Voicemail System Works with KX-T7000, KX-T7200, KX-T7400, KX-T7600, KX-T7700, DT300 Series Phones and Single Line Telephones Compatible with the NT300 Series, NT136, and NT265 IP Phones Direct Inward System Access with Outgoing Message (DISA with OGM) Incoming Call Distribution Uniform Call Distribution Toll Restriction Personal Speed Dial Numbers Music on Hold/ Background Music Inputs External Paging Outputs USB Connection RS232 Output Built-in Ethernet Connection for CTI Bluetooth Compatible Phones Up to 30 Different Ring Tones Call Forwarding Conference Calling- 8 Parties Hotel/ Motel Features Off Hook Call Announce