VVX 350 Polycom Phone Manual

The Polycom VVX 350 is a high-performance business media phone designed for demanding communication environments. It features a high-resolution color touchscreen, support for up to 12 lines, HD Voice with wideband audio, USB connectivity, Bluetooth support, and integration with leading unified communications platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color touchscreen, handset, base unit, Ethernet ports, USB port, headset jack, optional expansion module.

FeatureDescription
Display4.3-inch color touchscreen with adjustable angle
AudioHD Voice with wideband audio (G.722), Acoustic Clarity Technology
LinesSupports up to 12 SIP lines
ConnectivityDual Gigabit Ethernet ports (LAN/PoE, PC), USB 2.0, Bluetooth
CodecsG.711, G.722, G.729, Opus
HeadsetRJ9 headset jack with EHS support
ExpansionOptional VVX EXP Expansion Module support
Power802.3af PoE or optional AC adapter
ProtocolsSIP, TLS, SRTP
ApplicationsDirectory, call history, visual voicemail, XML applications

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect to network: Use Ethernet cable to connect LAN/PoE port to network switch.
  2. Connect PC (optional): Use second Ethernet cable from PC port to computer.
  3. Power the phone: Use PoE from switch or connect AC adapter to power port.
  4. Connect handset: Plug handset cord into RJ9 handset jack.
  5. Connect headset (optional): Plug into RJ9 headset jack.

WARNING! Use only Polycom-approved power adapters. Ensure network cables are securely connected.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network configuration: Phone will attempt DHCP. Configure static IP if needed via touchscreen menu.
  2. Server configuration: Enter SIP server address provided by your service provider.
  3. Account registration: Enter username, password, and authentication details for each line.
  4. Personalize settings: Set time zone, language, ringtones, and screen preferences.
  5. Test call: Make a test call to verify audio quality and connectivity.

CAUTION! Keep phone away from direct heat sources and liquids.

Specifications

Controls and Settings

Access settings via touchscreen or physical buttons. Front Panel: Touchscreen, Mute button, Volume rocker, Navigation cluster, Speakerphone button.

Touchscreen Interface: Home screen with lines, applications, and settings. Physical Controls: MUTE, VOLUME UP/DOWN, NAVIGATION (up/down/left/right/select), HEADSET, SPEAKERPHONE, and programmable keys.

Settings Menu: Network configuration, Account settings, Audio settings (ringer, handset, speakerphone), Display settings (brightness, contrast), Time and date, Language selection, Security settings, Restore factory defaults.

Connecting Devices

Network: LAN/PoE port to switch. PC: PC port to computer. Peripheral: USB port for Bluetooth adapter or storage. Headset: RJ9 headset jack.

  1. Turn off phone before connecting additional devices.
  2. Match cables to correct ports (Ethernet to LAN, headset to headset jack).
  3. For Bluetooth, insert USB Bluetooth adapter and pair from phone settings.
  4. For expansion module, connect to EXP port on back of phone.

Tip: Use certified Ethernet cables (Cat5e or higher) for optimal performance.

Advanced Features

Supports advanced UC features and customization.

  1. Multiple Lines: Manage up to 12 lines with individual settings.
  2. Call Features: Hold, transfer, forward, conference, park, and pickup.
  3. Directory: Local and corporate directory access, LDAP integration.
  4. Call History: View missed, received, and placed calls.
  5. Visual Voicemail: View and manage voicemails on screen.
  6. XML Applications: Display custom web applications and information.
  7. Bluetooth: Connect wireless headsets or smartphones for call mobility.
  8. Security: TLS and SRTP for encrypted calls and signaling.
  9. Firmware Updates: Automatic or manual updates via provisioning server.

WARNING! Do not modify firmware files manually. Use official updates only.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Independent volume controls for handset, headset, ringer, and speakerphone. TTY Support: Compatible with TTY devices when connected. High-Contrast Display: Adjustable display settings for improved visibility.

Care & Cleaning

Unplug before cleaning. Use slightly damp, lint-free cloth for touchscreen and body. Do not use abrasive cleaners, solvents, or aerosols.

CAUTION! Never spray liquids directly on phone. Keep connectors dry.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. This device complies with Part 68 of FCC rules. Hearing Aid Compatibility (HAC): Rated M3/T3. Copyright © Polycom, Inc. All rights reserved. Polycom and the Polycom logo are registered trademarks. For support, visit www.polycom.com/support or contact your authorized Polycom reseller.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower source/connectionCheck PoE switch or AC adapter connection; verify cable integrity.
No network connectivityNetwork configuration/cableCheck Ethernet cable; verify DHCP or static IP settings; restart phone.
No audio on callsAudio settings/connectionsCheck handset/headset connection; adjust volume; verify audio codec settings.
Cannot register to serverAccount credentials/serverVerify username, password, and server address; check network firewall settings.
Touchscreen not responsiveScreen calibration/softwareRestart phone; clean screen; check for firmware updates.
Poor call qualityNetwork issues/codecsCheck network bandwidth and latency; enable QoS; try different codec.
Bluetooth not connectingAdapter/pairingEnsure Bluetooth adapter is inserted; re-pair device; check compatibility.

Reset: Settings > Advanced > Administration > Reset to Factory Defaults.

Service: Contact Polycom Support or your system administrator. Do not attempt to repair internally.

VVX 350 Polycom Phone Manual © - All Rights Reserved 2025