Polycom VVX 350 Business IP Phone Manual

The Polycom VVX 350 is a feature-rich business IP phone designed for professional environments. It features a color LCD display, support for up to 12 lines, Power over Ethernet (PoE), HD Voice, USB connectivity, and integration with leading VoIP platforms. Below are key sections covering features, installation, configuration, 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: Color LCD display, 12 programmable line/feature keys, speakerphone, headset jack, USB port, Ethernet ports.

Feature	Description
Display	3.5-inch color LCD with backlight
Lines/Keys	Supports up to 12 lines with programmable keys
Audio	HD Voice, full-duplex speakerphone, wideband audio
Connectivity	Dual Ethernet ports (10/100/1000), USB 2.0 port
Power	Power over Ethernet (PoE) or external power adapter
Protocols	SIP, H.323, Skype for Business compatible
Headset Jack	3.5mm for wired headset connectivity
Conference	Built-in conference bridge support
Security	Secure boot, encrypted configuration files
Firmware	Field-upgradable via web interface or server

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to network switch.
Power the phone: Use PoE from switch or connect external power adapter.
Connect handset: Plug handset cord into dedicated jack.
Optional accessories: Connect headset to headset jack; USB device to USB port.

WARNING! Use only approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will attempt DHCP; static IP can be configured via keypad.
Server configuration: Enter SIP server address provided by your VoIP provider.
Account registration: Enter username, password, and authentication details.
Basic settings: Set time zone, language, ring tones via Settings menu.

CAUTION! Handle handset cord gently to avoid damage to connectors.

Specifications

Display: 3.5-inch color TFT LCD, 320x240 resolution.
Audio Codecs: G.711, G.722, G.729, Opus.
Network: Dual 10/100/1000 Mbps Ethernet ports with PoE (802.3af).
USB: USB 2.0 port for call recording, Bluetooth adapter, or mass storage.
Power: PoE (802.3af Class 2) or 5V DC power adapter.
Dimensions: 8.5 x 9.5 x 6.5 inches (W x H x D).
Weight: 2.2 lbs (1 kg).
Operating Temp: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, CE, UL, RoHS.

Controls and Settings

Access menu via Settings button. Front Panel: LCD display, navigation cluster, soft keys, volume controls, headset button, speakerphone button.

Key Functions: Hold, Transfer, Conference, Voicemail, Directory, Settings.

Settings Menu: Network configuration, SIP settings, Audio settings (ringer volume, speaker volume), Display settings (contrast, backlight), Time & Date, Language. Programmable Keys: Configure via web interface for speed dial, BLF, call park, etc.

Connecting Devices

Network: Ethernet cable to LAN port. Handset: Standard RJ9 connector. Headset: 3.5mm jack. USB: For compatible accessories.

Turn off phone before connecting accessories.
Match cables to correct ports (Ethernet to LAN, handset to handset jack).
For PoE, ensure switch provides adequate power (802.3af Class 2).

Tip: Use quality CAT5e or higher Ethernet cables for best performance.

Advanced Features

Supports advanced VoIP features for business environments.

Call Handling: Hold, transfer, forward, park, pickup.
Conference: Multi-party conference up to 8 participants.
Directory: Local and corporate directory access.
Call Logs: Missed, received, placed calls.
BLF (Busy Lamp Field): Monitor extension status.
XML Applications: Custom applications via web interface.
Security: TLS/SRTP for encrypted calls.
Firmware Upgrade: Via TFTP, HTTP, or centralized management.

WARNING! Do not attempt firmware upgrade during active calls.

Accessibility Features

Visual Alert: Flashing LED for incoming calls. Hearing Aid Compatible: HAC rating for handset. Adjustable Volume: Separate controls for handset, speaker, ringer. High-Contrast Display: Adjustable display settings for visibility.

Care & Cleaning

Unplug power before cleaning. Use slightly damp cloth; avoid liquids entering openings.

CAUTION! Do not use abrasive cleaners or solvents. Keep away from excessive heat and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for commercial use. CE: Complies with European directives. UL Listed: Safety certified. Copyright © Polycom, Inc. All rights reserved. For support, visit www.polycom.com/support or contact your authorized Polycom reseller.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/connection	Check PoE switch or power adapter; verify cable connections.
No network connectivity	Cable/DHCP	Check Ethernet cable; verify DHCP server is reachable.
No registration	SIP credentials/server	Verify username/password; check SIP server address and network firewall.
No audio	Volume settings/codec	Adjust volume; verify audio codec compatibility with server.
Display issues	Backlight/contrast	Adjust display settings via Settings menu.
Poor call quality	Network congestion	Check network QoS settings; ensure sufficient bandwidth.

Reset: Press and hold # key during boot for factory reset (caution: erases all settings).

Service: Contact Polycom support or authorized service center. Do not attempt internal repairs.