MÔ TẢ	POLYCOM VVX 201
Product Specifications

Polycom VVX 101 comes with	• VVX 201 console • Handset with handset cord • Network (LAN) cable – CAT-5E • Quick Start Guide
User interface features	• 2.5 in Graphical LCD (132 x 64) resolution • Voicemail support • Reversible deskstand/wallmount • Unicode UTF-8 character support. Multilingual user interface including Danish, Dutch, English (Canada/US/ UK), French, German, Italian, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish

Feature keys	• 4 context-sensitive “soft” keys • 2 line keys with bi-color (red/green) LED • “Home” feature key • 4-way navigation key cluster with center “Select” key • 2 volume control keys • Dedicated hold key • Dedicated headset key • Dedicated hands-free speakerphone key • Dedicated microphone mute key

Audio features	• Polycom HD Voice technology delivers life-like voice quality for each audio path- handset, the hands-free speakerphone, and the optional headset • Polycom® Acoustic Clarity™ technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression • Type 1 compliant (IEEE 1329 full duplex) • Frequency response – 150 Hz – 7 kHz for hands-free speakerphone, handset and optional headset mode • Codecs: G.711 (A-law and μ-law), G.729AB, G.722 (HD Voice), iLBC • Individual volume settings with visual feedback for each audio path • Voice activity detection • Comfort noise generation • DTMF tone generation (RFC 2833 and in-band) • Low-delay audio packet transmission • Adaptive jitter buffers • Packet loss concealment