Yealink Phone Manual T46S

The Yealink T46S is a premium color IP phone designed for business environments, featuring a 4.3-inch color LCD with touch support, HD voice, dual Gigabit Ethernet ports, PoE support, integrated Bluetooth, Wi-Fi capability (optional), USB port, support for up to 12 SIP accounts, and advanced call handling features. 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: 4.3-inch color touch LCD, Handset, Base unit, Ethernet ports, Power adapter, Handset cord, Network cable, Quick start guide.

Feature	Description
Display	4.3-inch TFT color LCD with capacitive touch
Network Ports	Dual Gigabit Ethernet (LAN & PC)
Power over Ethernet (PoE)	IEEE 802.3af compliant
Bluetooth	Integrated for headset connectivity
Wi-Fi	Optional via USB dongle
USB Port	For Wi-Fi dongle, expansion modules, or USB headset
HD Voice	Wideband audio support (G.722, Opus)
Line Keys	Up to 12 SIP accounts with LED indicators
Expansion Module	Support for Yealink EXP series modules
Firmware Upgrade	Via web interface or TFTP

Installation

Unpack and inspect contents. Place on stable surface.

Connect Network: Use Ethernet cable to connect LAN port to switch/router. For PoE, ensure switch supports 802.3af.
Connect PC: Use second Ethernet cable from PC port to computer for pass-through.
Connect Handset: Plug handset cord into phone base and handset.
Power: Use included power adapter if PoE not available.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network Configuration: Obtain IP via DHCP (default). Check IP via Menu > Status.
Account Registration: Access web interface (http://phone-ip). Enter SIP server, username, password.
Language: Set via Menu > Settings > Basic > Preferences > Language.
Date & Time: Configure via NTP server or manual setting.
Audio Settings: Adjust handset, speakerphone volume via phone keys.

CAUTION! Keep firmware updated for security and feature enhancements.

Specifications

Display: 4.3-inch TFT, 480 x 272 pixels, capacitive touch.
Network: Dual 10/100/1000 Mbps Ethernet, PoE (802.3af).
Audio Codecs: G.711, G.722, G.729, Opus, iLBC.
Bluetooth: Version 3.0, HSP/HFP profiles.
USB: 2.0 host port.
Protocols: SIP, TCP/IP, UDP, RTP, RTCP, HTTP, HTTPS, DNS.
Power Supply: 12V DC, 0.5A or PoE.
Operating Temp: 0°C to 40°C (32°F to 104°F).
Supported Expansion: Up to 2 Yealink EXP modules.

Controls and Settings

Access settings via touch screen or physical keys. Front Panel: Mute, Headset, Speakerphone, Navigation pad, Volume keys, Hold, Transfer, Conference.

Touch Screen: Home screen with line status, contacts, call history, features. Menu: Settings, Directory, Call History, Features, Bluetooth.

Basic Settings: Language, Time, Display brightness, Ringtone. Account Settings: SIP server, registration, audio codecs. Advanced: Network (static/DHCP), QoS, Security (SRTP, TLS). Features: Call forward, DND, Auto answer, Intercom.

Connecting Devices

Network: LAN port to switch; PC port to computer. Bluetooth: Pair headset via Menu > Bluetooth. USB: Insert Wi-Fi dongle or expansion module.

Turn off phone before connecting accessories.
For Bluetooth, enable on phone and headset, then search and pair.
For expansion module, connect to EXP port on phone base.

Tip: Use certified accessories for optimal compatibility.

Advanced Call Features

Supports advanced PBX features.

Call Hold: Press Hold key; resume by selecting held call.
Call Transfer: Blind or attended transfer using Transfer key.
Conference: Create multi-party conference via Conference key.
Call Forward: Configure via web interface or phone menu.
Do Not Disturb (DND): Enable via DND key or menu.
Intercom: Configure for direct station-to-station calling.
Call Recording: Start/stop via dedicated key (if configured).
Speed Dial: Assign numbers to programmable keys.

WARNING! Ensure proper SIP configuration for advanced features.

Accessibility Features

Visual: Adjustable screen brightness, font size. Audio: Hearing aid compatible (HAC) handset, adjustable ringer volume. Physical: Large, tactile keys for navigation pad.

Care & Cleaning

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

CAUTION! Avoid moisture entering ports. Keep away from direct heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. CE, RCM, UKCA marked. Hearing Aid Compatibility (HAC): Meets FCC standards. For support, visit www.yealink.com or contact your authorized Yealink distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power adapter/PoE	Check power adapter connection; verify PoE switch is enabled.
No network	Cable/DHCP	Check Ethernet cable; verify DHCP server is reachable.
Registration failed	SIP credentials	Verify username, password, and SIP server address.
No audio	Network/Codec	Check network connectivity; ensure codec matches server.
Bluetooth not pairing	Distance/Compatibility	Ensure headset in pairing mode; keep within 1 meter.
Touch screen unresponsive	Calibration	Restart phone; recalibrate via Menu > Settings > Display.

Reset: Press and hold OK key during boot for factory reset.

Service: Contact Yealink support or authorized service center.