Lines (Direct Numbers) • Up to 4 lines with up to 24 concurrent calls Display • 320 x 160 backlit grayscale graphical LCD • White LED backlight with custom intensity control • Message Waiting Indicator (MWI) LED Feature Keys • 4 context-sensitive “soft” keys • 26 dedicated “hard” keys • 6 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 and 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 • Compatibility 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 headset 1.5 • Full-duplex hands-free speakerphone • Type 1 compliant with IEEE 1329 full duplex standards • Frequency response - 150Hz - 7kHz for handset, headset1 and hands-free speakerphone modes • Codecs: G.722 (wideband), 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 • 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 • Integration with Microsoft LCS 2005 for telephone and presence • Local feature-rich GUI • Time and date display • User-configurable contact directory and call history (missed, placed, and received) • Customizable 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, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish | Protocol Support • IETF SIP (RFC 3261 and companion RFCs) Network and Provisioning • Two-port 10/100 Mbps Ethernet switch • Manual or dynamic host configuration protocol (DHCP) network setup • Time and date synchronization using SNTP • FTP/TFTP/HTTP/HTTPS 3 server-based central provisioning for mass deployments. • Provisioning 4 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 – static • RTCP support (RFC 1889) • Event logging • Syslog • Local digit map • Hardware diagnostics • Status and statistics Security • Transport Layer Security (TLS) 3 • Secure Real-time Transport Protocol (SRTP) • Shipped with X.509 certificate installed • Encrypted configuration files 3 • Digest authentication • Password login • Support for URL syntax with password for boot server • HTTPS secure provisioning 3 • Support for signed software executables 3 Power • Built-in, auto-sensing IEEE 802.3afPower over Ethernet • External Universal AC adapter (included 48V DC) 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 • GOST • C-tick • CCC Safety • UL/C-UL • CE Mark • EN 60950-1 • IEC 60950-1 • AS/NZS 60950 |