VVX 250 Polycom Phone Manual

The Polycom VVX 250 is a versatile business media phone designed for unified communications, featuring a high-resolution color display, support for multiple lines and call appearances, HD Voice quality, Power over Ethernet (PoE), USB connectivity, and integration with leading UC 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 Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color LCD touch screen, Handset, Ethernet ports, USB port, Headset jack, Volume controls, Navigation keys.

Feature	Description
Display	3.5-inch color LCD with touch support
Lines/Call Appearances	Supports up to 12 lines
Audio	HD Voice with wideband audio support
Network	Dual Ethernet ports with PoE (802.3af)
USB Port	For accessories like Bluetooth adapter
Headset Jack	3.5mm jack for wired headset
Volume Controls	Independent controls for handset, speaker, ringer
Navigation Keys	For menu navigation and call control
Conference	Built-in support for multi-party conferencing
Power	PoE or optional AC power adapter

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to switch/router.
Connect handset: Plug handset cord into dedicated jack.
Connect optional headset: Plug into 3.5mm headset jack.
Power the phone: Use PoE from switch or connect AC adapter.

WARNING! Use only approved power sources. Ensure cables are not pinched or damaged.

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone may obtain IP via DHCP automatically.
Provisioning: Enter server details if required by your UC platform.
Set language: In Settings menu, select preferred language.
Configure lines: Assign extension numbers and SIP credentials.
Adjust audio settings: Set ringer volume, handset, and speaker levels.

CAUTION! Handle with care; avoid exposure to liquids and extreme temperatures.

Specifications

Display: 3.5-inch color LCD, 320 x 240 pixels.
Audio Codecs: G.711, G.722, G.729, Opus.
Network: 10/100 Mbps Ethernet, 802.3af PoE.
Protocols: SIP, TLS, SRTP.
Connectors: Dual Ethernet (LAN/PC), USB 2.0, headset jack, handset jack.
Supported Features: Hold, transfer, conference, forward, voicemail.
Power Source: PoE (802.3af) or 5V DC adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via touch screen or navigation keys. Front Panel: Volume keys, Mute, Headset, Speakerphone, Navigation cluster.

Touch Screen: Tap to answer, hold, transfer, access contacts, and settings.

Settings: Audio (ringer type, volume), Display (brightness, timeout), Network (IP configuration), Phone (line settings, time/date). Features: Call forward, do not disturb, speed dials, call logs. Security: Admin password, screen lock.

Connecting Devices

Network: Ethernet to LAN port. PC: Use second Ethernet port for daisy-chaining. Headset: 3.5mm jack. USB: For Bluetooth adapter or other accessories.

Turn off phone before connecting accessories.
Match cables to ports (e.g., RJ45 to LAN).
Configure headset mode in audio settings if needed.

Tip: Use quality Ethernet cables for reliable connectivity.

Advanced Call Features

Supports hold, transfer, conference, forward, voicemail.

Answer call: Tap screen or press Speakerphone/Headset.
Hold: Press Hold button during active call.
Transfer: Press Transfer, enter number, complete transfer.
Conference: Press Conference, call second party, merge calls.
Forward: Set call forward rules in features menu.
Voicemail: Press Messages key or dial voicemail number.
Call logs: Access missed, received, placed calls.
Contacts: Store and dial from local directory.

WARNING! Do not disassemble phone; refer service to qualified personnel.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio: Adjustable ringer volume and tones. Screen: Adjustable contrast and font size. TTY support: Configurable for compatibility.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth; do not use liquids or aerosols directly on phone.

CAUTION! Avoid abrasive cleaners; keep away from heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. CE marked. Polycom and the Polycom logo are trademarks of Polycom, Inc. For support, visit www.polycom.com or contact your authorized reseller.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet cable/PoE switch; try AC adapter.
No network	Cable/DHCP	Check cable connections; verify DHCP server.
No audio	Volume/mute	Adjust volume; check mute status; verify handset connection.
Cannot make calls	Provisioning/SIP	Verify SIP credentials; check provisioning server.
Screen unresponsive	Locked/software	Unlock screen; restart phone; check for updates.

Reset: Settings > Administration > Reset to factory defaults if needed.

Service: Contact Polycom support or authorized service center.