Polycom VVX 450 Manual

The Polycom VVX 450 is a sophisticated business media phone designed for high-quality voice and video communications. It features a 4.3-inch color touchscreen, support for up to 12 lines, HD voice, Power over Ethernet (PoE), USB connectivity, and integration with leading unified communications platforms. Below are key sections covering setup, features, configuration, operation, and troubleshooting.

Features at a Glance

Key components: 4.3-inch color touchscreen, handset with HD voice, Ethernet ports, USB port, speakerphone, and programmable soft keys.

Feature	Description
Display	4.3-inch TFT color touchscreen (480 x 272 pixels)
Audio	HD Voice (wideband audio), Acoustic Fence technology, full-duplex speakerphone
Lines/Accounts	Supports up to 12 lines and 12 SIP accounts
Network	Dual Gigabit Ethernet ports (LAN/PoE and PC), 802.3af PoE support
Connectivity	USB 2.0 port for accessories (e.g., Bluetooth adapter, camera)
Video	Optional USB video camera support for video calls
Codecs	G.711, G.722, G.729, Opus, and others
Power	PoE (802.3af) or optional external power adapter
Headset	Integrated EHS support for wireless headsets
Security	Secure Boot, TLS, SRTP, 802.1X authentication

Installation & Setup

Unpack and inspect contents. Place on stable surface.

1. Connect to Network: Use Ethernet cable to connect LAN/PoE port to switch or PoE injector.
2. Connect PC (optional): Use second Ethernet port to daisy-chain a computer.
3. Power the phone: Use PoE or connect the optional power adapter to the DC port.
4. Connect Handset: Plug handset cable into the dedicated jack.
5. Optional accessories: Connect USB camera or headset adapter to USB port.

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

First-Time Configuration

Power on the phone; follow on-screen prompts.

1. Network Boot: Phone will attempt to obtain IP address via DHCP.
2. Provisioning: Enter server details if required (manual or via DHCP Option 66).
3. Account Setup: Enter SIP account credentials (username, password, server).
4. Language & Time: Set display language and time zone.
5. Test Call: Make a test call to verify audio quality and registration.

CAUTION! Handle the touchscreen with clean, dry fingers. Avoid excessive pressure.

Specifications

• Display: 4.3-inch color TFT touchscreen, 480 x 272 resolution.
• Audio: HD Voice, G.722 wideband, Acoustic Fence for noise reduction.
• Network: Dual 10/100/1000 Mbps Ethernet, 802.3af PoE, VLAN support.
• Protocols: SIP over TCP/UDP, TLS, SRTP, IPv4/IPv6.
• Codecs: G.711, G.722, G.729, G.726, iLBC, Opus.
• Power: PoE (802.3af Class 2) or 5V DC external adapter.
• Physical: Dimensions: 9.1" x 8.1" x 4.3"; Weight: 2.2 lbs (1 kg).
• Operating Temp: 32°F to 104°F (0°C to 40°C).

Physical Controls & Interface

Access settings via touchscreen or physical buttons. Front: Touchscreen, Home button, Volume rocker, Mute button.

Side/Rear: Ethernet ports (LAN/PoE, PC), USB port, Handset jack, Headset jack, DC power input.

Touchscreen Interface: Home screen with line keys, call history, contacts, and settings. Navigation via swipe and tap. Settings: Audio (ringer volume, handset/speaker gain), Display (brightness, timeout), Network (IP configuration), Accounts (SIP credentials).

Network & Connectivity

Network: LAN/PoE port for uplink, PC port for pass-through. USB: For camera or Bluetooth adapter.

1. Ensure phone is powered off before connecting cables.
2. Configure VLAN if required (via DHCP or manual).
3. Check network status in Settings > Status > Network.
4. For video, connect compatible USB camera before powering on.

Tip: Use quality Ethernet cables (Cat5e or higher) for Gigabit performance.

Making & Managing Calls

Supports basic and advanced call features.

1. Make Call: Dial number on keypad or select from contacts/history, press Dial or Handset.
2. Answer Call: Press Answer softkey, Handset, or Speaker button.
3. Hold/Resume: Press Hold button during active call.
4. Transfer: Press Transfer, enter target number, complete with Transfer again.
5. Conference: During a call, press Conference, dial second party, press Conference again to merge.
6. Call Forward: Configure via Settings > Features > Call Forwarding.
7. Mute: Press Mute button during call to mute microphone.
8. Volume: Adjust during call with Volume rocker.

WARNING! Do not expose phone to liquids. Keep handset cord untangled.

Advanced Features

Video Calls: Requires compatible USB camera. Enable in Settings > Video. Bluetooth: Use optional adapter for wireless headset pairing. XML Applications: Support for custom XML apps and directories. Call Recording: Depending on server support, initiate via softkey.

Care & Maintenance

Unplug before cleaning. Use slightly damp, lint-free cloth for screen and body. Do not use harsh chemicals or aerosols.

CAUTION! Avoid direct sunlight and heat sources. Keep ventilation openings clear.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE, RCM, and other regional approvals. Copyright © Polycom, Inc. All rights reserved. For support, visit www.polycom.com/support or contact your authorized reseller.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet cable/PoE switch; try external power adapter.
No network	Cable/DHCP	Reseat Ethernet cable; check DHCP server; verify VLAN settings.
No registration	Account credentials	Verify SIP username/password/server; check network connectivity to SIP server.
No audio	Handset/Network	Ensure handset is connected; check audio settings (Settings > Audio); verify codec negotiation.
Touchscreen unresponsive	Calibration	Restart phone; if persistent, perform factory reset (Settings > Reset).

Reset: Settings > Advanced > Reset to Factory Defaults (requires admin password).

Firmware: Upgrade via web interface or provisioning server.

Service: Contact Polycom Support or your system administrator.