Yealink T57W Phone Manual

The Yealink T57W is a high-performance, touchscreen IP phone designed for modern business communication. It features a 7-inch color touchscreen, support for up to 16 SIP accounts, HD voice quality, Bluetooth, Wi-Fi, Gigabit Ethernet, and integration with popular UC 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 7-inch capacitive touchscreen, Handset, Base unit, Ethernet ports, Power adapter, Handset cord, Network cable.

Feature	Description
Touchscreen Display	7-inch color LCD with capacitive touch
HD Voice	Wideband audio for crystal-clear calls
Bluetooth	Connect wireless headsets and mobile devices
Wi-Fi	Dual-band 802.11a/b/g/n/ac wireless connectivity
Gigabit Ethernet	High-speed network connection with PoE support
SIP Accounts	Support for up to 16 SIP lines
Expansion Module	Compatible with Yealink EXP50 expansion module
USB Port	For connecting USB devices
Headset Port	3.5mm jack for wired headset connection
Conference Capability	Supports multi-party conference calls

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to switch/router.
Connect handset: Plug handset cord into phone base and handset.
Power the phone: Use included power adapter or PoE (Power over Ethernet).
Optional connections: Connect headset to 3.5mm jack; connect expansion module.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will attempt to obtain IP via DHCP automatically.
SIP account setup: Enter SIP server details provided by your service provider.
Language selection: Choose preferred language from settings menu.
Date and time: Set time zone and synchronize with NTP server.
Test call: Make a test call to verify configuration.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 7-inch capacitive touchscreen, 800 x 480 resolution.
Network: Dual 10/100/1000Mbps Ethernet ports with PoE (802.3af).
Wireless: Wi-Fi 802.11a/b/g/n/ac dual-band; Bluetooth 4.2.
Audio: HD voice, Opus codec support, built-in speakerphone.
Protocols: SIP RFC3261, TLS, SRTP, IPv6.
Power: 100-240V AC, 50/60Hz or PoE (802.3af Class 3).
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Dimensions: 240mm x 195mm x 175mm (W x D x H).

Controls and Settings

Access settings via touchscreen menu or web interface.

Touchscreen Interface: Home screen with status icons, dial pad, call history, contacts, and settings.

Physical Buttons: Mute, Headset, Speakerphone, Volume up/down, Navigation keys.

Settings Menu: Accounts, Audio settings, Network configuration, Bluetooth, Time settings, Screen settings, Security. Web Interface: Advanced configuration via browser (default IP: check network info on phone screen).

Connecting Devices

Network: Ethernet cable to LAN port. Wireless: Configure Wi-Fi in network settings. Bluetooth: Pair devices in Bluetooth settings.

Turn off phone before connecting wired accessories.
For PoE: Ensure switch supports 802.3af standard.
For expansion: Connect EXP50 module to EXP port.

Tip: Use Cat5e or higher Ethernet cable for Gigabit connection.

Advanced Features

Supports advanced UC features and integration.

Call Features: Call hold, transfer, forward, conference, park.
Bluetooth: Connect headset or smartphone for call sharing.
Wi-Fi: Connect to wireless network for flexible placement.
Expansion Module: Add programmable keys for speed dial/busy lamp field.
USB Recording: Record calls to USB storage device (if supported by service).
XML Browser: Customize screen with XML applications.
Hot Desking: Log in with personal account on shared phone.

WARNING! Do not use unauthorized accessories. Use only Yealink-approved components.

Accessibility Features

Visual: Adjust screen brightness, contrast, font size. Audio: Adjust volume limits, tone settings. Physical: Optional mounting kits for wheelchair accessibility.

Care & Cleaning

Unplug before cleaning. Use slightly damp, lint-free cloth; avoid cleaners.

CAUTION! Do not spray liquids directly on phone. Keep away from heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE, RCM, UKCA marked. Contains FCC ID: 2ABAP-T57W. 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 connection; try different outlet; verify PoE switch.
No network	Cable/DHCP	Check Ethernet cable; restart router; verify DHCP is enabled.
No audio	Volume/mute	Check volume settings; ensure not muted; test with headset.
Cannot register	SIP credentials	Verify username/password/server; check network firewall.
Touchscreen not responding	Screen protector/calibration	Remove screen protector; recalibrate touchscreen in settings.

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

Service: Contact Yealink support or authorized service center.