Lines (Directory Numbers) • Up to 4 lines with up to 24 concurrent calls per line Display • 320 x 160-pixel backlit grayscale graphical LCD • LED backlight with custom intensity control • Message Waiting Indicator (MWI) LED Feature Keys • 4 context-sensitive “soft” keys • 26 dedicated “hard” keys - 4 line keys with bi-color (red/green) LED - 8 feature keys - 6 display/menu navigation keys - 2 volume control keys - Illuminated mute key - Illuminated headset key - Illuminated hands-free speakerphone key - Dedicated hold key Headset Compatibility • Dedicated RJ-9 headset port - Amplified headsets are recommended Hearing Aid Compatibility • Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all) • Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids • Compatible with commercially-available TTY adapter equipment Audio Features • Polycom HD Voice technology delivers life-like voice quality for each audio path - the handset, the hands-free speakerphone, and the optional headset • Full-duplex hands-free speakerphone - Type 1 compliant with IEEE 1329 full duplex standards • Frequency response - 100Hz - 7kHz for handset, optional headset and hands-free speakerphone modes • Codecs: G.722 (wideband), G.711 µ/A, G.729A (Annex B), 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 • Shared call / bridged line appearance • Flexible line appearance (one or more line keys can be assigned for each line extension) • Busy Lamp Field (BLF) • 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 • Local feature-rich GUI • Time and date display • User-configurable contact directory and call history (missed, placed, and received) • Customisable call progress tones • Wave file support for call progress tones • Unicode UTF-8 character support. Multilingual user interface encompassing Chinese, Danish, Dutch, English (Canada / US / UK), French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Russian, Spanish, Swedish Protocol Support • IETF SIP (RFC 3261 and companion RFCs) Network and Provisioning • Two-port Gigabit Ethernet switch - 10/100/1000Base-Tx across LAN and PC ports - Conforms to IEEE802.3-2005 (Clause 40) for Physical Media Attachment - Conforms to IEEE802.3-2002 (Clause 28) for Link Partner Auto-Negotiation • Manual or dynamic host configuration protocol (DHCP) network setup • Time and date synchronisation using SNTP • FTP / TFTP / HTTP / HTTPS server-based central provisioning for mass deployments • Provisioning and call server redundancy supported • Web portal for individual unit configuration • QoS Support – IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DSCP • Network Address Translation (NAT) – support for static configuration and “Keep-Alive” SIP signalling • RTCP support (RFC 1889) • Event logging • Syslog • Local digit map • Hardware diagnostics • Status and statistics reporting 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 address • HTTPS secure provisioning • Support for signed software executables Power • Built-in, auto-sensing IEEE 802.3af Power over Ethernet • External Source 48V DC @ 380mA Approvals • FCC Part 15 (CFR 47) Class B • ICES-003 Class B • EN55022 Class B • CISPR22 Class B • AS/NZS CISPR 22 Class B • VCCI Class B • EN55024 • EN61000-3-2; EN61000-3-3 • ROHS compliant • Anatel Safety • CE Mark • EN 60950-1 • IEC 60950-1 • AS/NZS 60950-1 • UL/C-UL |