KX-TDE600 Features:

Hybrid IP-PBX Control Unit
Support Small to Large Communication System
Integrated SIP Telephony via Internet Telephony Service Providers
Built-in Support for Advanced IP Extensions as Well as Standard SIP Phones
IP Phones & Soft Phones for Remote Workers & Road Warriors
Desktop, Network & Business Application Integration
Business Productivity w/ Wireless Mobility Solutions
Easy Migration
Built-in Voice Mail
Reduced Total Cost of Ownership
Centralized Management & Upgrades
Maximum Extension Port (DPT and SLT and IP Extension):
– W/o DXDP: 368
– W/ DXDP: 432
Physical Extension Cards:
– Single Line (a/b) Telephone (SLT): 240
– Digital Proprietary Telephone (DPT) – Type 1 (With DXDP): 256
– Digital Proprietary Telephone (DPT) – Type 2: 128
– IP Proprietary Telephone (IPT): 160
– Analog Proprietary Telephone (APT): 80
– Direct Station Select (DSS) Console: 64
– Voice Processing System (VPS): 8
Virtual Extension Cards:
– SIP Extension: 128
– IP Proprietary Telephone (IPPT): 64
Trunk Port: 192
Physical Trunk Cards:
– ISDN Trunk (BRI): 160
– ISDN Trunk (PRI): 150
– Analog Trunk: 160
– IP Gateway: 160
Virtual Trunk Cards – SIP Trunk: 32
Wireless Portable Station (PS): 512
Wireless Cell Station (CS): 32
Doorphone Port: 16
Door Opener: 16
External Sensor: 16
External Relay: 16
USB Module: 160