Complaint
User interface features | • Gesture-based, multitouch-capable capacitive touch screen • 5-inch color LCD (720 x 1280 pixel) • 9:16 aspect ratio • Screen saver • On-screen virtual keyboard • Voicemail support • Adjustable base height • One USB type-A port (2.0 compliant) for media and storage applications • Unicode UTF-8 character support • Adjustable font size selection (regular, medium, large) • Normal and dark mode • Multilingual user interface including Chinese, Danish, Dutch, English (Canada/ US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish |
Feature keys | • Poly HD Voice technology delivers lifelike voice quality for each audio path; handset, hands-free speakerphone, and optional headset • Poly Acoustic Clarity technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression • TIA-920 wideband audio, type 1 compliant (IEEE 1329 full duplex) • Frequency response-150 Hz-7 kHz for handset, optional headset and handsfree speakerphone modes • Codecs: G.711 (A-law and μ-law), G.729AB, G.722 (HD Voice), G.722.1 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 • OPUS support |
Headset and handset compatibility | • Dedicated RJ-9 headset port • Hearing aid compatibility to ITU-T P.370 and TIA 504A standards • Compliant with ADA Section 508 Subpart B • 1194.23 (all) • Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids • Compatible with commercially-available TTY adapter equipment • USB headset support |
Network and provisioning | • SIP protocol support • SDP • IETF SIP (RFC 3261 and companion RFCs) • 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 synchronization using SNTP • FTP/TFTP/HTTP/HTTPS server-based central provisioning for mass deployments • Provisioning and call server redundancy supported1 • QoS Support-IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DHCP |
Security | • 802.1X authentication and EAPOL • Media encryption via SRT • Transport layer security (TLS) • 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 (Class 3) 13 W (Max) • External Universal AC/DC Adapter (optional) 5 VDC @ 3 A (15 W) • ENERGY STAR® rated |
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