Poly VVX 450 User Manual

The Poly VVX 450 is a versatile business IP phone designed for high-quality voice communications in office environments. It features a high-resolution color display, support for multiple lines, HD Voice, Power over Ethernet (PoE), USB connectivity, and integration with various VoIP 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: High-resolution color display, Handset, Keypad, Ethernet ports, USB port, Headset jack.

Feature	Description
Display	High-resolution color LCD for call information and menus
Handset	HD Voice handset for superior audio quality
Keypad	Standard 12-key dial pad with programmable line keys
Ethernet Ports	Two 10/100/1000 Mbps ports for network and PC connection
USB Port	For connecting USB devices or wireless adapters
Headset Jack	3.5mm jack for wired headset connection
Power over Ethernet (PoE)	IEEE 802.3af compliant for single cable power and data
HD Voice	Wideband audio support for clearer conversations
Programmable Keys	Configurable line/feature keys for quick access
Volume Controls	Separate controls for handset, speaker, and ringer

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to network switch.
Connect PC: Use second Ethernet port to connect to computer if needed.
Connect handset: Plug handset cord into dedicated jack.
Power the phone: Use PoE from switch or connect AC power adapter.

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; manual setup available in menu.
Server configuration: Enter SIP server details provided by your service provider.
User credentials: Enter extension number and authentication credentials.
Test call: Make test call to verify configuration.

CAUTION! Handle with care; avoid dropping or exposing to liquids.

Specifications

Display: High-resolution color LCD, 4.3-inch diagonal.
Audio: HD Voice, wideband audio support.
Network: Dual 10/100/1000 Mbps Ethernet ports, PoE (802.3af).
Connectivity: USB 2.0 port, 3.5mm headset jack.
Protocols: SIP, RTP, SRTP, TLS.
Codecs: G.711, G.722, G.729, Opus.
Power Source: PoE (802.3af) or 5V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via dedicated Menu button or soft keys. Front Panel: Handset, Display, Navigation keys, Volume controls, Mute, Headset, Speakerphone.

Menu Navigation: Use arrow keys and OK button to navigate menus. Settings: Network configuration, SIP settings, Audio settings, Time/Date, Language.

Audio Settings: Handset volume, Speaker volume, Ringer volume, Tone settings. Network: IP configuration, VLAN, QoS. Features: Call forwarding, Do Not Disturb, Speed dials.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Second Ethernet port. Headset: 3.5mm jack. USB: For accessories.

Turn off phone before connecting additional devices.
Match cables to correct ports.
Configure connected devices through phone menu if required.

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

Using Phone Features

Supports basic and advanced telephony features.

Making calls: Lift handset or press Speakerphone, dial number, press Dial.
Answering calls: Lift handset, press Speakerphone, or press Answer soft key.
Call hold: Press Hold button during active call.
Transfer: Press Transfer, dial target number, press Transfer again.
Conference: Press Conference, dial participant, press Conference to merge.
Voicemail: Press Messages button or dial voicemail access number.
Speed dial: Program frequently called numbers to speed dial keys.
Call history: Press Directory button to view missed, received, and dialed calls.

WARNING! Do not use phone while driving or in hazardous environments.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Separate volume controls for handset, speaker, ringer. High-contrast display: Adjust display settings for better visibility.

Care & Cleaning

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

CAUTION! Do not use abrasive cleaners or solvents. Keep away from extreme temperatures.

Regulatory Information

FCC Part 15: Class A digital device; complies with interference limits for business environments. CE marked for European compliance. For support, visit www.poly.com or contact your authorized Poly dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/connection	Check PoE switch or power adapter; ensure cable is secure.
No network connectivity	Cable/DHCP	Check Ethernet cable; verify network settings; restart phone.
No dial tone	Configuration	Verify SIP settings and registration with service provider.
Poor audio quality	Network/configuration	Check network QoS settings; verify codec configuration.
Display issues	Power/contrast	Adjust display contrast in settings; restart phone.

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

Service: Contact your service provider or visit www.poly.com/support