Product Description

📱 Display & Interface

• 3.5″ backlit color LCD (320 × 240) touchscreen-like interface, including a full WebKit browser with HTML5/JavaScript support reddit.com+15shop4tele.com+15onedirect.co.uk+15headset-store.co.uk+8voipsupplies.co.uk+8metrolinedirect.com+8.

• 12 programmable line keys with LED status indicators, plus 4 context-sensitive soft keys and a 4‑way navigation cluster voipsupplies.co.uk+3shop4tele.com+3metrolinedirect.com+3.

• Fixed buttons for Home, Transfer, Messages, DND, Headset, Speaker, Mute, Volume, and a voicemail indicator shop4tele.com.

☎️ Call & Line Management

• Supports up to 12 SIP lines or speed-dial keys with bridged line appearance and busy-lamp-field (BLF) support reddit.com+15shop4tele.com+15voipsupplies.co.uk+15.

• Advanced call features: hold, transfer, forward, pickup, 3‑way conferencing, redial, call history, remote missed-call notifications, and LDAP directory lookup pmctelecom.co.uk+1pmctelecom.co.uk+1.

🔊 Audio & Headset Support

• Polycom HD Voice + Acoustic Clarity™: full-duplex speakerphone, echo cancellation, background-noise suppression voipsupply.com+8voipsupplies.co.uk+8metrolinedirect.com+8.

• Codec support: G.711 a/μ, G.729ab, G.722.1, iLBC, and wideband G.722 HD voice headset-store.co.uk+5voipsupplies.co.uk+5wesellit.ph+5.

• Supports RJ9 wired headsets, USB headsets (including Bluetooth with adapter), hearing-aid compatible handset and volume control voipsupplies.co.uk+1reddit.com+1.

• Voice enhancements: VAD, comfort noise, adaptive jitter buffers, packet-loss concealment telquestintl.com+4voipsupplies.co.uk+4wesellit.ph+4.

🌐 Networking & Power

• Dual Gigabit Ethernet ports (LAN + PC passthrough) with VLAN/QoS support (CDP, LLDP‑MED, IEEE 802.1p/Q) voipsupplies.co.uk.

• PoE support (802.3af Class 3), optional AC power adapter available voipsupply.com+2shop4tele.com+2metrolinedirect.com+2.

• USB 2.0 port for flash drive recording and headset use shop4tele.com.

• Wall mountable (requires bracket) and desktop adjustable stand wesellit.ph+1pmctelecom.co.uk+1.

🔐 Provisioning & Security

• Supports SIP (RFC 3261) with secure signaling: TLS, SRTP, 802.1X authentication, Digest, encrypted config files, device certificates reddit.com+5voipsupplies.co.uk+5telquestintl.com+5.

• Provisioning via FTP/TFTP/HTTP/HTTPS; zero-touch deployment in enterprise environments metrolinedirect.com+2shop4tele.com+2voipsupplies.co.uk+2.

🛠 Administration & Extensibility

• Full WebKit browser for HTML-based apps and customization wesellit.ph.

• Supports Polycom Apps SDK, including LDAP contacts, local call recording and visual conference management reddit.com+15voipsupplies.co.uk+15telquestintl.com+15.

• Supports up to 3 expansion modules (color or paper) for additional line or feature keys metrolinedirect.com+3shop4tele.com+3onedirect.co.uk+3.

🌍 Multilingual & Compliance

• Unicode/UTF‑8 support with UI in many languages: Chinese, English, French, German, Japanese, Russian, Spanish, and others .

• Meets accessibility and telecom standards: hearing-aid compatibility (ITU P.370, TIA 504A), ADA 508, FCC Class B, CE, RCM, UAE TRA, etc. pmctelecom.co.uk+2voipsupplies.co.uk+2pmctelecom.co.uk+2.

✅ Summary Table

💡 Use Cases

Ideal for receptionists, executive assistants, sales teams, or anyone handling many concurrent lines who needs HD audio, programmable keys, web apps, and enterprise-grade provisioning. It’s also expandable and scriptable—great in unified-communications environments.