Designed for enterprise mobile users in sip based VOIP unified communication WIFI environments</br>Dual band 2.4 and 5.0 MHz, for 802.11 a/b/g/n, now also supports HD voice (G.722) and PTT</br>Enterprise WPA2 EAP, PSK. 802.1x (EAP-MD5, EAP-TTLS, PEAP, EAP-TLS). L2/L3 quick roam, VPN</br>Light weight long lasting Li-ion battery with 10+hrs talk or 140hrs standby, speaker, headset jack</br>Powerful management capabilities, auto provisioning, programmable hot keys, 5 profiles, diagnostics</br></br>Product Description</br></br>The ICW-1000G is a dual band, 2.4 and 5.0 MHz SIP (RFC3261) WiFi phone that supports IEEE 802.11 a/b/g/n and G.711 aLAW,G.711 uLAW, G.729AB and now HD voice with G.722. The ICW-1000G is the next generation of the successful Unidata WPU7800 Series and maintains its reputation as the most reliable AP transitioning WiFi phone on the market. Because of the High quality voice it is the preferred model in busy environments like healthcare, warehousing and hospitality and is an ideal replacement for Avaya and Cisco 792x WiFi phones. Supports the following features. Call mute, hold, transfer (attended/unattended/consultation), waiting, forwarding (busy/no answer/unconditional), ID, ID blocking, 3 way conferencing (if supported on IPBX)Polyphonic MIDI ring / vibration ringer simultaneous bell and vibration effectsHotkey for vibration and ring toggling adjustable ringing and volume levels adjustable display brightness and timeout100 call history of inbound, outbound and missed call 500 phone book with 30 grouping99 speed dialPhone book search and during callPhonebook file synchronization via auto provisioning serverLast number redial support to setup hotkey call time and date volume controlMWI alarm/wakeup call world time (52 countries)location (52 countries)call progress tones (19 countries)calculator language :English, French, Germany, SpanishDutch, Portuguese, Italian, TurkishPC-SyncEar phone speaker phone.</br><br/>http://www.amazon.com/gp/product/B00L36GK1I