The Polycom VVX 311 is a business media phone designed for professional VoIP communications. It features a high-resolution color display, support for up to 12 lines, HD Voice quality, Power over Ethernet (PoE), USB connectivity, and integration with leading unified communications platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Color LCD display, Handset, Keypad, Ethernet ports, USB port, Headset jack.
| Feature | Description |
|---|---|
| Display | 3.5-inch color LCD with touch support |
| Lines | Supports up to 12 lines |
| Audio | HD Voice with wideband audio support |
| Network | Dual 10/100/1000 Ethernet ports with PoE |
| USB Port | For connecting accessories or Bluetooth adapter |
| Headset Jack | 3.5mm jack for wired headset connection |
| Speakerphone | Full-duplex speakerphone with acoustic echo cancellation |
| Power | Power over Ethernet (PoE) or external power adapter |
| Protocols | SIP, H.323, Skype for Business compatible |
| Security | 802.1X, TLS, SRTP support |
Unpack and inspect contents. Place on stable surface.
WARNING! Use only approved power adapter. Ensure network cable is securely connected.
Power on phone; follow on-screen prompts.
CAUTION! Handle phone carefully; avoid placing heavy objects on display.
Access menu via Settings button. Front Panel: Volume keys, Mute, Headset, Speakerphone, Navigation keys.
Display Icons: Signal strength, Missed calls, Voicemail, Mute status, Headset status.
Basic Settings: Language, Time/Date, Display brightness, Ringtone selection. Network Settings: IP configuration, VLAN, QoS. Audio Settings: Speaker volume, Ringer volume, Headset gain. Advanced Settings: SIP configuration, Security settings, Firmware update.
Network: Ethernet cable to LAN port. Headset: 3.5mm jack. USB: For Bluetooth adapter or other accessories.
Tip: Use Cat5e or better Ethernet cable for optimal performance.
Supports basic and advanced telephony features.
WARNING! Do not expose phone to liquids. Keep away from heat sources.
Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Adjustable ringer volume and tone. TTY Compatible: Supports teletypewriter devices when configured.
Unplug before cleaning. Use slightly damp cloth; avoid harsh chemicals.
CAUTION! Do not spray liquids directly on phone. Keep vents clear of dust.
FCC Part 15: Class A digital device; complies with interference limits for business use. CE marked for European compliance. Copyright © Polycom, Inc. For support, visit www.polycom.com/support or contact your authorized reseller.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No dial tone | Network/Power | Check Ethernet connection; verify PoE or power adapter. |
| Poor audio quality | Network/Codec | Check network QoS settings; verify codec configuration. |
| Display blank | Power/Backlight | Check power source; adjust display brightness settings. |
| Cannot register | Configuration | Verify SIP server settings, username, and password. |
| Buttons not responding | Software | Restart phone; update to latest firmware. |
Reset: Settings > System > Reset to factory defaults if needed.
Service: Contact your system administrator or Polycom support.