Lines (Directory Numbers) • Up to 2 lines with up to 8 simultaneous calls Display • 102 x 33 pixel-graphical LCD • Message Waiting Indicator (MWI) LED Feature Keys • 3 context-sensitive “soft” keys • 2 line keys with bi-color (red/green) LED • 2 feature keys (“Menu” and “Dial”) • 4-way navigation key cluster with center “Select” key • 2 volume control keys • Dedicated hold key • Dedicated headset key • Dedicated hands-free speakerphone key • Optional Messages Key • Dedicated microphone mute key • Dedicated 2.5-mm headset port compatible with most monaural mobile phone headsets Headset and Hearing Aid Compatibility • Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all) • Headset Compatibility • Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids • Compatible with commercially-available TTY adapter equipment Audio Features • Full-duplex hands-free speakerphone with Polycom • Acoustic Clarity Technology - Type 1 compliant with IEEE 1329 full duplex standards • Frequency response - 300Hz - 3300Hz for handset, headset and hands-free speakerphone modes • Codecs: G.711 μ/A, G.729A (Annex B), and iLBC • Individual volume settings with visual feedback for each audio path • Voice activity detection • Comfort noise fill • DTMF tone generation / DTMF event RTP payload • Low-delay audio packet transmission • Adaptive jitter buffers • Packet loss concealment • Acoustic echo cancellation • Background noise suppression Call Handling Features 1 • Shared call / bridged line appearance • Flexible line appearance (one or more line keys can be assigned for each line extension) • Distinctive incoming call treatment / call waiting • Call timer • Call transfer, hold, divert (forward), pickup • Called, calling, connected party information • Local three-way conferencing • One-touch speed dial, redial • Call waiting • Remote missed call notification • Intercom • Automatic off-hook call placement • Do not disturb function Other Features • Interoperability with Microsoft® LCS 2005 for telephony and presence 3 - Compatibility with Microsoft Office Communicator and Windows® Messenger 5.1 Clients • Enabled for Polycom Productivity Suite • Local feature-rich GUI • Time and date display • User-configurable contact directory and call history (missed, placed and received) • Wave file support for call progress tones • Unicode UTF-8 character support. Multilingual user interface encompassing Danish, Dutch, English (Canada/US/UK), French, German, Italian, Norwegian, Russian, Spanish, Swedish Protocol Support • IETF SIP (RFC 3261 and companion RFCs) | Security • Transport Layer Security (TLS) • Secure Real-time Transport Protocol (SRTP) • Shipped with X.509 certificate installed • Encrypted configuration files • Digest authentication • Password login • Support for URL syntax with password for boot server • HTTPS secure provisioning • Support for signed software executables Power • Built-in, auto-sensing IEEE 802.3af Power over Ethernet (Class 1) • External universal input AC adapter (optional 4 ; 24V DC @ 500mA) Approvals • FCC Part 15 (CFR 47) Class B • ICES-003 Class B • EN55022 Class B • CISPR22 Class B • AS/NZS CISPR 22 Class • VCCI Class B • EN55024 Class B • EN61000-3-2; EN61000-3-3; EN-61000-6-1 • ROHS compliant • Anatel • GOST • C-tick • CCC Safety • CE Mark • EN 60950-1 • IEC 60950-1 • NRTL • CAB/CSA-C22.2 No. 60950-1-03 • AS/NZS 60950-1 |