Poly VVX 450 Manual

The Poly VVX 450 is a versatile business IP phone featuring a high-resolution color display, support for multiple lines, HD Voice, Power over Ethernet (PoE), USB connectivity, and integration with leading unified communications platforms. Below are key sections for features, installation, configuration, operation, and troubleshooting.

Features at a Glance

Key components: Color LCD display, Handset, Ethernet ports, USB port, Headset jack, Volume controls, Programmable keys.

Feature	Description
Color Display	High-resolution screen for call information and menus
HD Voice	Wideband audio for superior call clarity
Multiple Lines	Support for up to 12 lines (dependent on configuration)
Power over Ethernet (PoE)	Receives power and data through a single Ethernet cable
USB Port	For connecting accessories or for device management
Gigabit Ethernet	High-speed network connection (10/100/1000 Mbps)
Headset Port	3.5mm jack for wired headset connectivity
Programmable Keys	Keys can be configured for speed dial, features, or line appearances
Speakerphone	Full-duplex speakerphone for hands-free conversations
Unified Communications	Compatible with Microsoft Teams, Zoom, and other UC platforms

Installation

Unpack and inspect contents. Place phone on a stable, flat surface.

1. Connect to Network: Plug an Ethernet cable from your network switch/router into the LAN port on the phone. For PoE, ensure your switch supports IEEE 802.3af/at.
2. Connect to Computer (Optional): Use the PC Ethernet port on the phone to connect your computer, sharing the network connection.
3. Connect Handset: Plug the coiled handset cord into the dedicated handset jack.
4. Connect Power: If not using PoE, connect the included power adapter to the DC port and a wall outlet.
5. 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 routed to avoid tripping hazards.

First-Time Setup

Power on the phone; it will boot and attempt to obtain an IP address from the network.

1. Network Configuration: The phone typically auto-configures via DHCP. Check the screen for the assigned IP address.
2. Provisioning: The phone will contact the provisioning server specified by your administrator to download its configuration (extension number, server settings, etc.).
3. Verify Registration: Once configured, the screen will show your extension status (e.g., Registered).
4. Adjust Basic Settings: Use the Settings menu to set language, time/date, ringtone, and volume levels.

CAUTION! Do not unplug the phone during the boot or provisioning process.

Specifications

• Display: 3.5-inch or 4.3-inch color graphical LCD (model dependent).
• Audio Codecs: G.711, G.722, G.729, Opus.
• Network: Dual 10/100/1000 Mbps Ethernet ports with PoE (IEEE 802.3af/at).
• Protocols: SIP, RTP, SRTP, TLS.
• Connectors: Handset, Headset (3.5mm), USB 2.0, DC Power.
• Programmable Keys: Up to 12 (softkeys and dedicated buttons).
• Power Source: PoE (IEEE 802.3af/at) or 5V DC power adapter.
• Operating Temperature: 32°F to 104°F (0°C to 40°C).
• Supported Platforms: BroadWorks, Metaswitch, Microsoft Teams, Zoom Phone, and other standard SIP platforms.

Controls and Settings

Access menus via the NAVIGATION button and softkeys below the display.

Front Panel: MUTE, HEADSET, SPEAKERPHONE, VOLUME UP/DOWN, NAVIGATION cluster, PROGRAMMABLE keys.

Basic Settings Menu: Navigate to Settings > Basic.

• Preferences: Language, Time Zone, Date Format.
• Audio: Ringtone selection, Volume levels (ringer, handset, speaker).
• Display: Screen brightness, Backlight timeout.
• Call Features: Call Forwarding, Do Not Disturb, Speed Dials.

Advanced Settings: Typically configured via the web interface (accessed via phone's IP address). Includes network settings, SIP configuration, and feature keys.

Connecting Devices

Network: LAN port to switch, PC port to computer. USB: For compatible wireless headsets or Bluetooth adapters.

1. Ensure the phone is powered off before connecting new devices.
2. For USB accessories, plug directly into the USB port on the side or back of the phone.
3. For a wired headset, plug into the 3.5mm headset jack and press the HEADSET button to activate.

Tip: Use certified Poly accessories for optimal compatibility and performance.

Advanced Features

Supports advanced UC features and call management.

1. Multiple Calls: Handle multiple lines; use HOLD, TRANSFER, and CONFERENCE buttons.
2. Call Transfer: During a call, press TRANSFER, dial the number, and press TRANSFER again or hang up.
3. Conference Calls: During a call, press CONFERENCE, dial the second party, and press CONFERENCE again to merge.
4. Call Forwarding: Enable via menu or by dialing a feature code (e.g., *72).
5. Do Not Disturb: Activate to silence calls; calls may go to voicemail.
6. Web Interface: Access advanced configuration by entering the phone's IP address in a web browser.
7. Unified Communications: If integrated, use dedicated buttons for presence, chat, and meetings.

WARNING! Configuring advanced network or SIP settings incorrectly may disable the phone. Consult your administrator.

Accessibility Features

Hearing Aid Compatibility (HAC): The handset is HAC rated. Visual Alerts: Flashing LED for incoming calls (if configured). High-Contrast Display: Adjustable in settings. TTY Support: Can be configured for use with TTY devices.

Care & Cleaning

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

CAUTION! Never allow moisture to enter any openings. Keep the device away from extreme heat, cold, or humidity.

Regulatory Information

FCC Part 15: Class B digital device. Complies with Canadian ICES-003. This device complies with Part 68 of the FCC rules. The REN (Ringer Equivalence Number) is 0.1B. Hearing Aid Compatibility: Handset meets FCC HAC ratings. For full regulatory notices, safety, and warranty information, visit the Poly website. Copyright © Poly. All trademarks are the property of their respective owners. For support, visit www.poly.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source	Check PoE switch or power adapter connection; try a different outlet or cable.
No network connectivity	Ethernet cable/DHCP	Reseat Ethernet cables; verify switch port is active; check for obtained IP address in phone menu.
Not registered to server	Configuration/network	Verify SIP server settings and credentials in configuration; check network firewall rules.
No audio on calls	Volume/mute/headset	Adjust volume; check if MUTE or HEADSET is active; ensure correct audio device is selected.
Display is blank or dim	Power/backlight settings	Check power; adjust display brightness and backlight timeout in Settings.
Can't hear ringtone	Volume/Do Not Disturb	Increase ringer volume; disable Do Not Disturb feature.
Poor call quality	Network congestion, codec	Check network bandwidth and QoS settings; verify codec negotiation with server.

Reset: To factory reset, press and hold the # key during boot (check admin guide for exact method as it may vary).

Service: For technical support, visit www.poly.com/support. Contact your system administrator for configuration issues.