Verizon Yealink T33G Phone Manual

The Verizon Yealink T33G is a business-grade IP phone featuring a 3.5-inch color LCD screen, support for up to 12 SIP accounts, dual Gigabit Ethernet ports, HD voice quality, PoE support, built-in Bluetooth and Wi-Fi (optional), and compatibility with Verizon's VoIP services. It offers advanced call handling features, programmable keys, and integration with various PBX 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. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 3.5-inch color LCD, Handset, Base unit, Ethernet ports, Power adapter, Programmable keys, Volume controls.

FeatureDescription
Display3.5-inch color LCD with 320 x 240 resolution
Network PortsDual Gigabit Ethernet (LAN and PC)
Power over Ethernet (PoE)IEEE 802.3af Class 2 compliant
HD VoiceWideband audio support for superior call clarity
BluetoothBuilt-in for wireless headset connectivity
Wi-Fi (Optional)802.11 b/g/n via external USB adapter
Programmable KeysUp to 4 line keys and 4 programmable function keys
Headset Port3.5mm jack for wired headset
SpeakerphoneFull-duplex hands-free speaker
Firmware UpdatesSupports remote and local firmware upgrades

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect to Network: Use Ethernet cable to connect LAN port to router/switch. Use PC port to connect computer if needed.
  2. Power the Phone: Connect power adapter or use PoE from switch.
  3. Connect Handset: Plug coiled handset cord into handset jack.
  4. Optional Headset: Plug wired headset into 3.5mm headset jack.

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

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network Configuration: Phone will attempt DHCP. For static IP, configure via web interface.
  2. Account Registration: Enter SIP server details provided by Verizon or your service provider.
  3. Set Language: In Settings menu, select ENGLISH (default).
  4. Date and Time: Configure time zone and NTP server for automatic time sync.
  5. Test Call: Make a test call to verify audio quality and registration.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Controls and Settings

Access menu via navigation keys or web interface. Front Panel: LCD, Soft keys, Navigation pad, Volume controls, Mute, Headset, Speakerphone.

Web Interface: Access via IP address for advanced configuration (Accounts, Network, Features).

Basic Settings: Language, Time, Display brightness, Ring tones. Account Settings: SIP server, username, password, display name. Audio Settings: Handset volume, speaker volume, ring volume, audio codec priority. Network Settings: DHCP/Static IP, VLAN, QoS. Features: Call forward, DND, call waiting, auto answer.

Connecting Devices

Network: LAN port to router. Computer: PC port to computer. Headset: 3.5mm jack or Bluetooth.

  1. Turn off phone before connecting cables if using power adapter.
  2. Match cables to ports (Ethernet to LAN, handset to handset jack).
  3. For Bluetooth headset, enable Bluetooth in phone settings and pair device.

Tip: Use quality Ethernet cables for reliable network connection.

Advanced Call Features

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

  1. Make Call: Lift handset or press Speakerphone, dial number.
  2. Answer Call: Lift handset, press Speakerphone, or press Answer soft key.
  3. Hold: Press Hold key during call.
  4. Transfer: Press Transfer, dial target number, press Transfer again.
  5. Conference: During call, press Conference, dial second party, press Conference again.
  6. Call Forward: Enable via web interface or phone menu (always, busy, no answer).
  7. DND: Press DND key or enable via menu to silence calls.
  8. Call History: Press History key to view missed, received, and placed calls.

WARNING! Do not disassemble phone. Refer service to qualified personnel.

Accessibility Features

High Contrast Display: Adjust in display settings. Audio Adjustments: Independent volume controls for handset, speaker, ringer. Visual Alerts: LED indicators for missed calls/messages.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth for exterior; dry thoroughly. Do not use abrasive cleaners.

CAUTION! Avoid liquids entering vents or ports. Do not spray directly on phone.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. ICES-003: Complies with Canadian EMI standards. Copyright © 2023 Verizon; Yealink is a trademark of Yealink Network Technology Co., Ltd. For support, visit www.verizon.com/support or contact Verizon Business Support at 1-800-922-0204.

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneNetwork/PowerCheck Ethernet and power connections; verify SIP account registration.
Poor audio qualityNetwork/CodecCheck network bandwidth; adjust audio codec priority in settings.
Display blankPowerEnsure power adapter is connected and outlet is functional; check PoE switch.
Cannot registerAccount settingsVerify SIP server, username, password; check firewall settings.
Bluetooth not pairingDistance/SettingsEnsure headset is in pairing mode; phone Bluetooth is enabled; within range.

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

Service: 1-800-922-0204; www.verizon.com/support

Verizon Yealink T33G Phone Manual © - All Rights Reserved 2025