Yealink Model T46S User Manual

The Yealink Model T46S is a premium color touchscreen IP phone designed for business environments, featuring a 4.3-inch color LCD with capacitive touch, 12 line keys with dual-color LEDs, integrated Gigabit Ethernet switch, dual-port 10/100/1000Mbps, support for up to 16 SIP accounts, HD audio with wideband codecs, built-in Bluetooth, dual Gigabit network ports with PoE support, integrated USB port for expansion, and advanced call management features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 4.3-inch color touchscreen, Handset, Base unit, Ethernet ports, Power adapter, Handset cord, Network cable, Quick start guide.

Installation

Unpack and inspect contents. Place on stable surface.

1. Connect network: Use Ethernet cable to connect LAN port to network switch/router.
2. Connect handset: Plug handset cord into handset port on phone base.
3. Power the phone: Use PoE from network switch or connect external power adapter.
4. Connect optional devices: Plug headset into headset port or use Bluetooth.

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

First-Time Setup

Power on phone; follow on-screen prompts.

1. Network configuration: Phone will attempt DHCP; check IP address on screen.
2. Account configuration: Enter SIP server, username, password provided by IT admin.
3. Language selection: Press Menu > Settings > Basic > Language > ENGLISH.
4. Time and date: Set automatically via NTP or manually in time settings.
5. Test call: Make test call to verify audio quality and connectivity.

CAUTION! Configure security settings (TLS/SRTP) as recommended by administrator.

Specifications

• Display: 4.3-inch TFT color LCD, capacitive touch, 480 x 272 pixels.
• Network Interfaces: Dual 10/100/1000Mbps Ethernet ports with PoE (802.3af).
• Protocols: SIP RFC3261, TLS, SRTP, IPv4/IPv6, LLDP-MED.
• Audio Codecs: Opus, G.722, G.711A/U, G.729, G.726, iLBC, GSM.
• Power Supply: IEEE 802.3af PoE or 12V DC, 0.5A power adapter.
• Physical: 240mm x 195mm x 70mm (W x D x H), weight: 1.2kg.
• Environmental: Operating temperature: 0°C to 40°C; Humidity: 10% to 90% non-condensing.
• Expansion: Supports Yealink EXP40 expansion module via USB.
• Certifications: FCC, CE, RCM, UL.

Controls and Settings

Access menu via touchscreen or physical buttons. Front Panel: Touchscreen, MUTE, HEADSET, SPEAKERPHONE, NAVIGATION keys, VOLUME keys.

Touchscreen Interface: Home screen with call status, contacts, call history, settings access.

Basic Settings: Language, time/date, ringtone, screen brightness, contrast. Network: Static/DHCP, VLAN, QoS, DNS. Account: SIP server, username, password, display name. Audio: Handset volume, speaker volume, headset volume, codec priority. Advanced: BLF (Busy Lamp Field), call forwarding, DND (Do Not Disturb), call recording.

Connecting Devices

Network: LAN port to network, PC port to computer. Headset: Wired headset to headset jack or Bluetooth pairing. Expansion: EXP40 module via USB port.

1. Turn off phone before connecting wired devices.
2. For Bluetooth: Enable Bluetooth in menu, search and pair with headset.
3. For expansion module: Connect EXP40 to USB port, phone will auto-detect.

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

Advanced Call Features

Supports call hold, transfer, conference, forwarding, recording.

1. Make call: Dial number on keypad or select from contacts/history.
2. Answer call: Press ANSWER softkey or lift handset.
3. Hold call: Press HOLD button during active call.
4. Transfer call: Press TRANSFER, dial target number, press TRANSFER again.
5. Conference: During active call, press CONFERENCE, dial second party, press CONFERENCE again.
6. Call forwarding: Menu > Features > Call Forward > set Always/Busy/No Answer.
7. Call recording: Press RECORD during call (if enabled by administrator).
8. BLF monitoring: Program line keys to monitor colleague status.

WARNING! Conference and recording features may require service provider support.

Accessibility Features

Visual: Adjustable screen contrast and font size. Audio: Adjustable ringtone volume, distinct ring patterns. Physical: Tactile buttons for navigation and volume control. Hearing Aid Compatibility (HAC): Meets FCC requirements for hearing aid compatibility.

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 liquid contact with ports and openings. Keep away from direct heat sources.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. This device complies with Part 68 of FCC rules. Hearing Aid Compatibility (HAC): Rated M3/T3. Ringer equivalence: 0.1B. For regulatory compliance information, visit www.yealink.com. Copyright © Yealink Network Technology Co., Ltd. All rights reserved. For support, visit support.yealink.com or contact authorized distributor.

Troubleshooting

Factory Reset: Press and hold OK key during boot-up until "Restoring" appears.

Firmware Upgrade: Menu > Settings > Upgrade > HTTP/HTTPS/TFTP.

Service: support.yealink.com; contact authorized service provider.