Polycom VVX 450 Business IP Phone User Manual

The Polycom VVX 450 is a feature-rich business IP phone designed for professional environments. It features a high-resolution color display, support for up to 12 lines, HD Voice, PoE (Power over Ethernet) capability, USB port for accessories, integrated Gigabit Ethernet switch, and compatibility with major IP telephony platforms. Below are key sections covering safety, features, installation, configuration, 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color display, Handset with HD Voice, Ethernet ports, USB port, Volume controls, Programmable soft keys.

Feature	Description
Display	High-resolution color LCD with adjustable backlight
Lines	Supports up to 12 lines/accounts
Audio	HD Voice for superior call clarity
Network	Dual Gigabit Ethernet ports with integrated switch
Power	PoE (802.3af) or optional external power adapter
USB Port	For connecting headsets, Bluetooth adapters, or USB drives
Headset Port	3.5mm jack for wired headset connection
Speakerphone	Full-duplex speakerphone with acoustic echo cancellation
Programmable Keys	Configurable soft keys and line keys
Security	Support for secure call protocols (SRTP, TLS)

Installation

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

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

WARNING! Use only approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts for initial configuration.

Network Boot: Phone will attempt to obtain IP address via DHCP.
Provisioning: Phone will contact provisioning server if configured.
Manual Configuration: If needed, access Settings menu to enter SIP server, account details.
Test Call: Make a test call to verify audio and network connectivity.
Configure Preferences: Set time zone, language, ring tones, display settings.

CAUTION! Do not unplug during firmware updates. Ensure stable network connection.

Specifications

Display: High-resolution color LCD, adjustable backlight.
Audio Codecs: G.711, G.722, G.729, Opus (HD Voice).
Network Interfaces: Dual 10/100/1000 Mbps Ethernet ports.
Power: IEEE 802.3af PoE or 5V DC external power.
USB: USB 2.0 port for accessories.
Supported Protocols: SIP, TLS, SRTP, LLDP-MED.
Physical Dimensions: Standard desk phone footprint.
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, CE, RCM, RoHS.

Controls and Settings

Access menu via Settings button. Front Panel: LCD display, Navigation ring, Soft keys, Volume controls, Mute button, Headset button, Speakerphone button.

Key Functions: NAVIGATION RING (scroll/menu selection), HOME (main screen), CONTACTS (directory), HISTORY (call log), SETTINGS (configuration), VOLUME UP/DOWN (adjust handset, speaker, ringer).

Settings Menu: Network (IP configuration), Accounts (SIP registration), Audio (volume, tones), Display (brightness, contrast), Time & Date, Security (password, encryption).

Connecting Devices

Network: Ethernet cable to LAN port. Computer: Ethernet cable from PC port. Headset: 3.5mm jack or USB. Accessories: USB port for Bluetooth adapter or USB drive.

Ensure phone is powered off before connecting cables.
Use Cat5e or better Ethernet cables for network connections.
For PoE, verify switch supports 802.3af.
Select audio device via Settings > Audio > Audio Device.

Tip: Use quality cables to ensure reliable network and audio performance.

Advanced Features

Supports advanced business telephony features.

Multiple Lines: Manage up to 12 lines; switch between calls.
Call Hold/Transfer: Place call on hold; transfer to another extension.
Conference Calls: Set up multi-party conference calls.
Call Forwarding: Forward calls based on rules (always, busy, no answer).
Voicemail: Access voicemail via dedicated button or dial code.
Directory: Store and search contacts locally or via LDAP.
Call History: View missed, received, and placed calls.
Bluetooth: Connect compatible headset via USB Bluetooth adapter.
XML Applications: Support for custom XML applications on display.

WARNING! Configure advanced features through administrator interface or provisioning server.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Independent volume controls for handset, speaker, ringer. High-Contrast Display: Adjust display settings for better visibility. Hearing Aid Compatible: HAC rating for handset.

Care & Cleaning

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

CAUTION! Avoid moisture entering ports or openings. Do not spray liquids directly on device.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE Mark: Complies with European directives. RCM: Complies with Australian communications standards. Copyright © Polycom, Inc. All rights reserved. Polycom and the Polycom logo are trademarks of Polycom, Inc. For support, visit www.polycom.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter; verify cable connections.
No network connectivity	Network cable/DHCP	Check Ethernet cable; verify DHCP server is reachable; check VLAN configuration.
No audio	Audio settings/connections	Check handset/headset connection; adjust volume; verify audio codec settings.
Cannot register to server	Account configuration	Verify SIP server address, username, password; check network firewall settings.
Display issues	Backlight/settings	Adjust display brightness/contrast in settings; restart phone.
Poor call quality	Network congestion/codec	Check network latency/jitter; try different audio codec (e.g., G.711).

Reset: Settings > Advanced > Reset to Factory Defaults (use with caution).

Support: www.polycom.com/support; contact your system administrator or reseller.