Yealink T46S Instruction Manual

The Yealink T46S is a premium color touchscreen IP phone designed for business environments, featuring a 4.3-inch color LCD, 12 programmable line keys, dual Gigabit Ethernet ports, PoE support, HD audio, built-in Bluetooth, Wi-Fi capability (with optional module), and support for up to 16 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: Color touchscreen, Handset, Base, Network cables, Power adapter, Quick start guide.

Feature	Description
Display	4.3-inch TFT color LCD with capacitive touch
Line Keys	12 programmable line/feature keys with dual-color LEDs
Network Ports	Dual Gigabit Ethernet (LAN and PC)
Power	IEEE 802.3af PoE or external power adapter
Audio	HD handset and speakerphone with wideband audio
Wireless	Built-in Bluetooth, optional Wi-Fi module
Expansion	Supports up to 2 Yealink expansion modules
Codecs	G.722, G.711, G.729, Opus, etc.
Headset	Integrated headset port (EHS support with adapter)
Firmware	Field upgradable via web interface or TFTP

Installation

Unpack and inspect contents. Place on stable surface.

Connect Network: Use Ethernet cable to connect LAN port to network switch/router.
Connect PC: Use second Ethernet cable from PC port to computer (optional).
Power: Use PoE from switch or connect external power adapter to DC port.
Connect Handset: Plug handset cord into dedicated port.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network Boot: Phone will attempt to obtain IP via DHCP.
Check IP Address: Press OK or navigate to Status > Network to view IP.
Access Web Interface: Enter phone's IP in web browser (default user/admin: admin).
Configure Accounts: Add SIP account details provided by your service provider.
Set Language: Navigate to Settings > Basic > Preferences > Language.

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

Specifications

Display: 4.3-inch TFT, 480 x 272 pixels, capacitive touch.
Network: Dual 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Protocols: SIP (RFC3261), TCP/IP, UDP, RTP, RTCP, DHCP, DNS.
Audio Codecs: G.711, G.722, G.729, G.726, iLBC, Opus, etc.
Wireless: Bluetooth 3.0, optional 802.11a/b/g/n Wi-Fi.
Power Supply: Input: 100-240V AC, 50/60Hz; Output: 12V DC, 1.5A.
Operating Temp: 0°C to 40°C (32°F to 104°F).
Humidity: 10% to 90% non-condensing.

Controls and Settings

Access menu via touchscreen or physical keys. Front Panel: Mute, Headset, Speakerphone, Navigation keys, Volume controls.

Touchscreen Interface: Home screen with lines, contacts, call history, features. Physical Keys: Hold, Transfer, Conference, Redial, Message, Directory.

Settings: Navigate via Phone UI or Web Interface. Basic: Time, Language, Ringtone. Account: SIP registration, server, authentication. Features: Call Forward, DND, Call Waiting, Auto Answer. Network: WAN, LAN, QoS, VLAN. Security: Password, HTTPS, SRTP.

Connecting Devices

Network: LAN port to switch. PC: PC port to computer. Headset: 3.5mm jack or Bluetooth. Expansion: DSS keys via EXP40 module.

Turn off phone before connecting accessories.
Match cables to correct ports.
For Bluetooth, enable in menu and pair device.

Tip: Use quality Ethernet cables (Cat 5e or higher) 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 for direct voice communication between extensions.
Music on Hold: Upload custom audio files via web interface.
XML Browser: For custom directories and services.
LDAP: Integrate corporate directory for contact search.
VPN: Support for secure remote provisioning and connectivity.
Hot Desking: Log in with personal account on shared phone.

WARNING! Configure advanced features via web interface with proper credentials.

Accessibility Features

Visual: Adjust screen contrast, font size, backlight timeout. Audio: Adjustable ringtone volume, tone selection, hearing aid compatible (HAC) handset. Physical: Large tactile keys on optional expansion module.

Care & Cleaning

Unplug power 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. This device complies with part 68 of FCC rules. Hearing Aid Compatibility: Handset meets FCC HAC rating. For support, visit www.yealink.com or contact your authorized Yealink distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter connection; try different cable.
No network	Ethernet/DHCP	Check cable; verify LAN port LED; check DHCP server.
No registration	Account settings	Verify SIP server, username, password; check network firewall.
No audio	Handset/network	Ensure handset cord secure; check audio codec compatibility.
Touchscreen not responding	Calibration/software	Restart phone; recalibrate screen in settings; update firmware.

Reset: Press and hold OK key during boot for factory reset (or via web interface).

Service: Contact your service provider or visit www.yealink.com for firmware and documentation.