* Firmware Upgrade Over Ethernet * User Counting * Event Based...
* Support 30,000 Users And 80,000 Event MemorySupport Single Doors / 2...
* PVC Junction Box *
* Redial function * Flash function * Wall mountable *
* Strong, robust SIP software * Large high-resolution display with XHTML microbrowser * Built-in Power over Ethernet (PoE) * 20-foot (6-meters) microphone pickup *
* Polycom Acoustic Clarity technology for remarkable voice quality * Ten feet (3-meters) of 360-degree microphone pickup * Resistance to interference from mobile phones * Large LCD display for caller ID *
* Polycom Acoustic Clarity technology delivers clear, natural conversations * DECT technology ensures no wireless LAN interference * Rechargeable Lithium-ion battery provides up to 24 hours of talk time *