Polycom VVX 250 Instruction Manual

The Polycom VVX 250 is a business media phone designed for unified communications, featuring a color touchscreen, support for up to 12 lines, HD Voice, 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color touchscreen display, Handset, Base unit, Ethernet ports, USB port, Headset jack, Power connector.

Feature	Description
Color Touchscreen	3.5-inch display for call management and applications
HD Voice	Wideband audio for superior call clarity
Line Support	Up to 12 SIP lines
Power over Ethernet (PoE)	IEEE 802.3af compliant for single-cable power and data
Dual Ethernet Ports	10/100/1000 Mbps for network and PC pass-through
USB Port	For connecting accessories like Bluetooth adapters
Headset Jack	3.5mm port for wired headset connectivity
Speakerphone	Full-duplex for natural conversations
Programmable Keys	Configurable for speed dial, line keys, or features
Unified Communications	Integration with Microsoft Teams, Zoom, and others

Installation

Unpack and inspect contents. Place on stable surface.

Connect to Network: Plug Ethernet cable from your network switch/router into the LAN port on the phone.
Connect PC (Optional): Use the PC Ethernet port to daisy-chain a computer.
Power the Phone: Use the included power adapter OR ensure your network switch provides PoE.
Connect Handset: Plug the handset cord into the dedicated jack on the base.
Connect Headset (Optional): Plug a wired headset into the 3.5mm headset jack.

WARNING! Use only the provided or approved power adapter. Ensure cables are securely connected.

First-Time Setup

Power on the phone; follow on-screen prompts.

Initial Boot: The phone will boot and attempt to obtain an IP address via DHCP.
Configure Network (if needed): Access the phone's web interface or use the keypad to set a static IP if required by your network.
Provision the Phone: Enter the provisioning server URL provided by your administrator or service provider.
Register Lines: After provisioning, your extension(s) and account details will be loaded. The phone will register with the SIP server.
Verify Operation: Make a test call to confirm audio and registration.

CAUTION! Do not unplug the phone during firmware updates or provisioning.

Specifications

Display: 3.5-inch color TFT LCD touchscreen.
Audio Codecs: G.711, G.722, G.729, Opus.
Network: Dual 10/100/1000 Mbps Ethernet ports, IPv4/IPv6.
Power: IEEE 802.3af PoE or 5VDC external power adapter.
Connectors: 2x RJ45 Ethernet, RJ9 handset, 3.5mm headset, USB 2.0.
Supported Protocols: SIP, TLS, SRTP, LLDP-MED.
UC Integration: Compatible with BroadWorks, Microsoft Teams, Zoom Phone, and more.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access settings via the touchscreen menu or the web configuration interface.

Front Panel: Touchscreen, Mute button, Volume rocker, Navigation keys, Speakerphone key.

Basic Settings via Phone: Status (IP address, firmware), Ringtone selection, Time/Date, Screen brightness, Audio settings (handset, speaker, headset volume).

Advanced Settings (Web Interface): SIP configuration, Network setup (VLAN, QoS), Security (admin password, certificates), Programmable keys assignment, Firmware upgrade.

Connecting Devices

Network: Primary LAN port to switch. PC: Secondary port to computer. Accessories: USB for Bluetooth, headset jack for audio.

Ensure the phone is powered off before connecting new devices.
Match cables to correct ports (e.g., Ethernet to LAN, handset to RJ9).
For USB accessories, insert only after the phone is fully booted.

Tip: Use Cat5e or better Ethernet cables for optimal Gigabit Ethernet performance.

Using Phone Features

Making and Receiving Calls, Call Management, and UC Applications.

Make a Call: Lift handset or press Speakerphone, then dial number or select a contact.
Answer a Call: Press the flashing line key, Answer softkey, or Speakerphone.
Hold/Resume: Press Hold softkey during a call.
Transfer Call: Press Transfer, dial the target number, then complete the transfer.
Conference: During a call, press Conference, dial the second party, then press Conference again to merge.
Voicemail: Press the Messages key or dial your voicemail access number.
Navigate UC Apps: Use the touchscreen to access integrated applications like corporate directory or calendar.
Adjust Volume: Use the volume rocker during a call or while idle to adjust ringer volume.

WARNING! Do not use excessive force on the touchscreen or keys.

Accessibility Features

Visual: Adjustable screen contrast and backlight timeout. Audio: Adjustable ringer volume and tone, hearing aid compatible (HAC) handset. Physical: Large, tactile keys on keypad models; customizable ring patterns for visual notification.

Care & Cleaning

Disconnect power before cleaning. Use a soft, dry, lint-free cloth. For stubborn marks, slightly dampen the cloth with water only. Do not use solvents or abrasive cleaners.

CAUTION! Never spray liquids directly onto the phone. Avoid getting moisture into openings.

Regulatory Information

FCC Part 15 & 68: Complies with rules for digital devices and telephone equipment. Industry Canada (IC): Complies with Canadian standards. CE Mark: Conforms to European safety and EMC directives. Polycom and the Polycom logo are trademarks of Polycom, Inc. For support, visit www.poly.com/support or contact your authorized reseller.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/display	Power source	Check PoE switch is enabled or power adapter is securely connected. Try a different outlet.
No network connectivity	Cable/DHCP	Reseat Ethernet cable. Verify DHCP server is reachable. Check for link lights on port.
Phone not registering	Provisioning/SIP settings	Verify provisioning server URL and SIP credentials in web interface. Confirm network can reach SIP server.
No audio on calls	Volume/network	Check handset is plugged in. Adjust volume. Verify QoS settings on network for voice traffic.
Touchscreen unresponsive	Software	Restart the phone. If persistent, perform a factory reset via the web interface (backup config first).

Reset: Web Interface > Settings > Utilities > Reset to Factory Defaults.

Service: www.poly.com/support; contact your system administrator or service provider.