Yealink Phone Manual T46G

The Yealink T46G is a high-end color-screen IP phone designed for business environments, featuring a 4.3-inch color LCD with capacitive touch, HD voice quality, Gigabit Ethernet, PoE support, Bluetooth, Wi-Fi capability (with optional module), USB port, integrated speakerphone, and support for up to 12 SIP accounts. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4.3-inch color touchscreen LCD, handset, base unit, Ethernet ports, power adapter, handset cord, network cable.

Feature	Description
Display	4.3-inch TFT color LCD with capacitive touch (480 x 272 pixels)
Network	Dual Gigabit Ethernet ports (LAN/PoE and PC)
Audio	HD handset and speakerphone, wideband audio support
Connectivity	Bluetooth, optional Wi-Fi module, USB 2.0 port
Lines/Accounts	12 SIP accounts, up to 12 line keys (programmable)
Codecs	G.722, G.711, G.729, G.726, iLBC, Opus
Power	IEEE 802.3af PoE or external power adapter (included)
Expansion	Support for Yealink expansion modules (DSS keys)
Headset	Integrated EHS support for wireless headsets
Firmware	Field upgradable via web interface or TFTP

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use included Ethernet cable to connect LAN/PoE port to switch/router.
Connect PC (optional): Use second Ethernet port to connect to computer.
Power the phone: Use PoE from switch or connect included power adapter to DC port.
Connect handset: Plug handset cord into phone base and handset.
Optional headset: Connect wired headset to headset port or pair Bluetooth headset.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will attempt DHCP; check IP address on screen or via "Settings > Status".
Account configuration: Enter SIP server, username, password via web interface or phone menu.
Set language: Press Menu > Settings > Basic > Preferences > Language.
Date and time: Configure via NTP or manually in time settings.
Test call: Make internal or external test call to verify audio quality.

CAUTION! Handle handset cord carefully to avoid damage to connectors.

Specifications

Display: 4.3-inch TFT color LCD, capacitive touch, 480 x 272 resolution.
Network Interfaces: Dual 10/100/1000 Mbps Ethernet ports with integrated PoE.
Protocols: SIP (RFC3261), TCP/IP, UDP, RTP, RTCP, HTTP, HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP.
Audio Features: HD voice, full-duplex speakerphone, acoustic echo cancellation.
Supported Codecs: G.711 (A/μ-law), G.722, G.729A/B, G.726, iLBC, Opus.
Power Supply: IEEE 802.3af PoE or 12V DC, 0.5A power adapter.
Physical Dimensions: 220 x 210 x 75 mm (width x depth x height).
Operating Environment: 0°C to 40°C, 10% to 90% humidity (non-condensing).
Compliance: FCC Part 15, CE, RCM, UL.

Controls and Settings

Access menu via touchscreen or physical buttons. Front Panel: Touchscreen, navigation pad, volume keys, mute, headset, speakerphone, hold, transfer, conference.

Touchscreen Interface: Home screen with line status, call history, contacts, features. Menu: Settings, Directory, Call History, Messages, Features, Applications.

Settings Categories: Account (SIP configuration), Audio (volume, ringtone, codec), Display (brightness, contrast, screensaver), Network (IP, VLAN, QoS), Security (password, encryption), Advanced (BLF, call features).

Connecting Devices

Network: Ethernet cable to switch/router. PC: Second Ethernet port for pass-through. Headset: Wired to headset jack or Bluetooth pairing. Expansion: DSS module to expansion port.

Turn off phone before connecting expansion modules.
For Bluetooth: Enable in menu > Settings > Basic > Bluetooth > Discoverable.
For Wi-Fi: Insert optional Wi-Fi module, configure via web interface.

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

Advanced Features

Supports advanced PBX features and customization.

BLF (Busy Lamp Field): Monitor extension status on programmable keys.
Call Park/Pickup: Park calls and retrieve from other extensions.
Intercom: Configure automatic answer between extensions.
Call Recording: Start/stop recording via programmable key (server-dependent).
Music on Hold: Upload custom audio files via web interface.
XML Applications: Custom phonebook directories, weather, news feeds.
VPN Support: Configure for secure remote connectivity.
Firewall Traversal: STUN, TURN, ICE support for NAT environments.

WARNING! Advanced features require proper PBX/server configuration.

Accessibility Features

Visual: Adjustable screen brightness/contrast, large font option. Audio: Adjustable ringtone volume, distinctive ring patterns, hearing aid compatible (HAC) handset. Physical: High-contrast labels, tactile buttons around touchscreen.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth for screen and body. Do not use alcohol, ammonia, or abrasive cleaners.

CAUTION! Never spray liquids directly on phone. Avoid extreme temperatures and moisture.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE marked indicating conformity with health, safety, and environmental protection standards. RCM mark for Australian compliance. Copyright © Yealink Inc. All rights reserved. For support, visit www.yealink.com or contact your authorized Yealink distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/connection	Check PoE switch or power adapter connection; try different outlet.
No network connectivity	Cable/DHCP	Check Ethernet cable; verify DHCP server; check VLAN settings.
No audio	Handset/network	Check handset cord; verify codec compatibility; adjust volume.
One-way audio	Firewall/NAT	Configure STUN or enable symmetric RTP on PBX; check firewall rules.
Cannot register	Account credentials	Verify SIP server, username, password; check network reachability.
Touchscreen unresponsive	Calibration	Restart phone; recalibrate via Settings > Display > Touch Calibration.
Poor call quality	Network/QoS	Enable QoS on router; check bandwidth; update firmware.

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

Firmware Upgrade: Web interface > Upgrade > Upload firmware file.

Service: Contact Yealink support or authorized service center.