Poly VVX 450 Phone Manual

The Poly VVX 450 is a business IP phone featuring a 3.5-inch color display, support for up to 12 lines/16 call appearances, HD Voice, Power over Ethernet (PoE), integrated Gigabit Ethernet switch, USB port for accessories, multiple audio codecs, and compatibility 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. Making and Managing Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
Display	3.5-inch color LCD with adjustable angle
Lines/Call Appearances	Up to 12 lines, 16 call appearances
Audio	HD Voice, wideband audio support
Network	Dual Gigabit Ethernet ports with integrated switch
Power	Power over Ethernet (PoE) or optional power adapter
USB Port	For connecting USB accessories (e.g., wireless headset adapter)
Headset Jack	3.5mm jack for wired headset connection
Speakerphone	Full-duplex speakerphone with acoustic echo cancellation
Codec Support	G.711, G.722, G.729, Opus
Programmable Keys	Configurable for line, speed dial, or feature access

Installation

Unpack and inspect contents. Place on stable surface.

Connect to Network: Use Ethernet cable to connect LAN port to network switch.
Connect Computer (optional): Use second Ethernet cable from PC port to computer.
Power the Phone: Use PoE from switch or connect optional power adapter to DC port.
Connect Handset: Plug handset cord into dedicated jack on base.
Connect Headset (optional): Plug into 3.5mm headset jack.

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

First-Time Setup

Phone will boot and attempt to obtain network configuration automatically.

Check Network Connection: Verify Ethernet link lights are on.
Configure Provisioning: Enter server details via web interface or keypad if required by your system.
Set Language: Navigate to Settings > User Preferences > Language.
Set Date/Time: Configure via network (NTP) or manually in settings.
Register to Server: Phone should auto-register; check status on screen.

CAUTION! Do not disconnect during firmware upgrade. Ensure stable network connection.

Specifications

Display: 3.5-inch color TFT, 320 x 240 pixels.
Network Interfaces: 2 x 10/100/1000 Mbps Ethernet (LAN, PC).
Protocols: SIP, RTP, SRTP, TLS, IPv4/IPv6.
Audio Codecs: G.711a/u, G.722, G.729A/B, Opus.
Power: 802.3af PoE Class 2, or 12V DC power adapter.
Physical: Desk mountable, adjustable footstand.
Supported Features: Hold, transfer, conference, forward, voicemail, presence.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Compliance: FCC, CE, RCM, UL/CSA.

Controls and Settings

Access menu via dedicated Menu button or touch screen. Navigation: 4-way navigation cluster with center Select button.

Key Buttons: Hold, Transfer, Conference, Volume Up/Down, Mute, Headset, Speakerphone, Message.

Settings Categories: User Preferences (language, ringtone, screen timeout), Audio Settings (volume, tone), Network Configuration (IP, VLAN, QoS), Phone Status (firmware, network info). Programmable Keys: Configure via web interface or phone UI for speed dials, BLF, or features.

Connecting Devices

Network: Ethernet cable to LAN port. Computer: Ethernet cable from PC port. Headset: 3.5mm plug to headset jack. USB: For compatible accessories.

Ensure phone is powered off before connecting accessories.
Match cables to correct ports (e.g., handset to handset jack).
Power on phone after all connections are made.

Tip: Use certified Ethernet cables for optimal Gigabit performance.

Making and Managing Calls

Supports basic and advanced call features.

Make Call: Lift handset or press Speakerphone, dial number, press Dial or wait for auto-dial.
Answer Call: Lift handset, press Speakerphone, or press Answer softkey.
End Call: Hang up handset or press EndCall button.
Hold: Press Hold button; resume by pressing line key or Resume softkey.
Transfer: During call, press Transfer, dial target, press Transfer again to complete.
Conference: During call, press Conference, dial second party, press Conference again to merge.
Forward Calls: Configure via call forwarding settings or * codes.
Voicemail: Press Message button or dial voicemail access number.

WARNING! Emergency calls may require proper configuration. Verify with administrator.

Accessibility Features

Visual Alerts: Flashing LED for missed calls/messages. Audio Adjustments: Independent volume controls for handset, headset, ringer, speakerphone. TTY Support: Configurable for TTY devices. High-Contrast Display: Option for improved visibility.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth. Do not use abrasive cleaners or sprays.

CAUTION! Avoid moisture entering openings. Do not disassemble.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. This device may not cause harmful interference and must accept any interference received. Copyright © Poly. For support, visit www.poly.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet cable/PoE switch; try power adapter; ensure outlet is live.
No network connection	Cable/config	Check cable; verify link lights; check IP configuration (DHCP/static).
No dial tone	Registration	Check phone is registered to server; verify account credentials.
Poor audio quality	Network/Codec	Check network for packet loss; verify codec configuration matches server.
Display issues	Settings/cable	Adjust contrast/brightness in settings; ensure handset cord is secure.

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

Service: Contact system administrator or visit www.poly.com/support.