Polycom IP 4000 Conference Phone SIP Expandable 2200-06640-001 Power:No Power Supply The phone supports up to

The phone supports up to three simultaneous lines allowing users to handle a large call volume

Part number: Biz-0630

The Adtran 908e gateway is a multi-function system that includes an IP router

QuickSwitch HD prevents the delay caused when a system authenticates an HD display for use with digital media protecting encryption

and National ISDN protocols

Polycom IP 4000 Conference Phone SIP Expandable 2200-06640-001 Power:No Power Supply The phone supports up toPolycom IP 4000 Conference Phone Description: The Polycom IP 4000 conference phone is a SIP protocol based conference phone designed to run voice over IP (VoIP). The Polycom IP 4000 features improved speakers and microphones over the previous IP 3000 conference phone. Built around the SIP protocol, the IP 4000 (MPN: 2200 06640 001) is compatible with many different phone systems and even hosted phone solutions. Managing the IP 4000 is a breeze with