Poly VVX 450 IP Phone Manual

The Poly VVX 450 is a feature-rich VoIP desk phone designed for business environments, supporting HD voice, multiple lines, and integration with various IP telephony platforms. It features a color display, programmable keys, PoE support, headset compatibility, and advanced call management functions. 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. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color LCD display, Handset, Programmable line/feature keys, Navigation cluster, Volume controls, Headset port, Ethernet ports.

Feature	Description
Display	3.5-inch color LCD with backlight
Lines/Accounts	Supports up to 12 lines/accounts
HD Voice	Wideband audio support for clearer calls
PoE Support	IEEE 802.3af Power over Ethernet
Headset Port	3.5mm jack for headset connectivity
Ethernet Ports	Two 10/100/1000 Mbps ports (LAN, PC)
Programmable Keys	Configurable for speed dial, BLF, features
Speakerphone	Full-duplex hands-free speaker
USB Port	For future expansion or accessories
Firmware Updates	Web interface or remote provisioning

Installation

Unpack and inspect contents. Place on stable desk surface.

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

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network Boot: Phone obtains IP via DHCP (default).
Provisioning: Automatically contacts configuration server if pre-configured.
Manual Setup: Access web interface via IP address to enter account details.
Verify Registration: Check for "Registered" status on idle screen.
Test Call: Make internal/external test call to verify audio.

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

Specifications

Display: 3.5-inch color TFT, 320x240 resolution.
Audio Codecs: G.711, G.722, G.729, Opus.
Network: Dual 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Protocols: SIP, STUN, RTP, SRTP, TLS.
Programmable Keys: 6 line/feature keys with LEDs.
Power: 48V DC via PoE or external power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Supported Platforms: BroadWorks, Metaswitch, Asterisk, 3CX, others.

Controls and Settings

Access settings via phone menu or web interface. Front Panel: Handset, Display, Soft keys, Navigation cluster, Volume keys, Mute, Headset, Speakerphone.

Basic Controls: Answer/End Call, Hold, Transfer, Conference, Voicemail, Directory, Settings.

Phone Menu: Settings > Preferences (Display, Audio, Ring Tones, Time). Web Interface: Network (IP, VLAN), SIP (Account, Server), Audio (Codecs, Levels), Features (Call Forward, BLF).

Connecting Devices

Network: LAN port to switch. PC: PC port to computer. Headset: 3.5mm jack.

Ensure phone is powered off before connecting cables.
Connect Ethernet cable from network to LAN port.
For daisy-chain, connect PC to PC port.
Plug headset into headset jack for hands-free operation.

Tip: Use Cat5e or better cables for Gigabit connection.

Advanced Call Features

Supports call hold, transfer, conference, forward, park, and more.

Hold: Press Hold during call; resume by pressing line key.
Transfer: During call, press Transfer, dial target, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference to merge.
Call Forward: Menu > Features > Call Forward > enable and set number.
Speed Dial: Program keys for one-touch dialing.
BLF (Busy Lamp Field): Monitor status of colleagues' lines.
Voicemail: Press Voicemail key or dial *97 (configurable).
Headset Mode: Toggle between handset and headset with dedicated key.

WARNING! Do not use during electrical storms. Save important settings.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Separate volume controls for ringer, speaker, handset. High-Contrast Display: Adjustable brightness and contrast. TTY Compatible: When used with compatible TTY device.

Care & Cleaning

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

CAUTION! Avoid liquids near ports. Keep away from direct heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential use. ICES-003: Complies with Canadian EMI standards. CE, RCM, UKCA marked. Contains FCC ID: XXXXXXX. For support, visit www.poly.com/support or contact 1-800-POLYCOM.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter; reseat cables.
No network	Ethernet/DHCP	Check cable; verify DHCP enabled; restart phone.
Not registered	SIP credentials/server	Verify username/password/server in web interface.
One-way/no audio	Network/Codec	Check firewall/NAT; verify codec matches server.
Display issues	Brightness/settings	Adjust contrast/brightness in menu; restart.
Poor call quality	Network congestion	Check network latency/jitter; prioritize VoIP traffic.

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

Service: 1-800-POLYCOM; www.poly.com/support