Highlights
- 14-line keys (arranged 8+6 on two displays) supporting up to 20-line key assignments for lines and contacts
- 4 context-sensitive “soft” keys
- 4-way navigation key cluster with center “Select” key
- Home and back feature keys
- Volume + / - control keys
- Hold and Transfer keys
- Headset select key
- Speakerphone select key
- Mute key (illuminated when muted)
- Voicemail key
- One Poly Edge E Expansion module is supported for additional line keys – order separately
User Interface Features
- Color 3.5” IPS LCD primary display (320x240 pixel resolution) and Color 2.4’’(240x320 pixel resolution) secondary LCD display for BLF and contacts
- Voicemail support
- WebKit-based browser
- Integrated Bluetooth 5.0 and WiFi capability
- Two position desk stand
- Unicode UTF-8 character support
- One USB Type-C ports (2.0 compliant) for media, storage applications, headset, and expansion module connectivity
- Surround Lighting for the status indicator (RGB with color mixing)
- NFC Support
- Multilingual user interface including Arabic (UAE), Chinese (Traditional/Simplified), Czech, Danish, Dutch, English (Canada/US/UK), French (France/Canada), German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Slovenian, Spanish, and Swedish
Audio Features
- Poly HD Voice technology delivers lifelike voice quality for each audio path: handset, hands-free speakerphone, and optional headset
- Poly Acoustic Clarity technology provides full duplex conversations, acoustic echo cancellation, and background noise suppression
- Poly Acoustic Fence technology eliminates background noise when using a handset or wired headset
- Poly NoiseBlockAI technology removes most background noise when using the speakerphone
- Poly Computer Audio Connector app installed on your PC (Windows only) enables selecting your phone for PC audio in/out to use the phones handset, optional headset and handsfree speakerphone with PC applications
- Bass frequency enhancing design
- Frequency response—150 Hz-14 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, OPUS
- TIA-920 wideband audio, type 1 compliant (IEEE 1329 full duplex)
- 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