Yealink SIP T57W User Manual

The Yealink SIP T57W is a high-performance VoIP business phone featuring a 7-inch color touchscreen, support for up to 16 SIP accounts, HD audio with dual microphones and speakers, Gigabit Ethernet ports, integrated Bluetooth, Wi-Fi capability, USB port for headset connectivity, PoE support, and advanced call management 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: 7-inch color touchscreen, Handset, Base unit, Ethernet ports, Power adapter, Handset cord.

Feature	Description
7-inch Touchscreen	High-resolution color display for call management and contacts
HD Voice	Wideband audio with dual microphones and speakers
Gigabit Ethernet Ports	LAN and PC ports for network connectivity
Bluetooth	For wireless headset connectivity
Wi-Fi	Optional Wi-Fi module for wireless network connection
USB Port	For USB headset or expansion modules
PoE Support	Power over Ethernet (802.3af)
SIP Accounts	Supports up to 16 SIP accounts
Headset Port	3.5mm headset jack for wired headsets
Volume Control	Dedicated volume buttons on side

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to router/switch.
Connect PC: Use second Ethernet cable from PC port to computer (optional).
Power the phone: Use included power adapter or PoE from switch.
Connect handset: Plug handset cord into base unit and handset.
Connect headset: Plug into 3.5mm headset jack or use Bluetooth.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will attempt DHCP; configure manually if needed.
SIP account setup: Enter SIP server, username, password provided by IT/ISP.
Language selection: Choose preferred language from settings menu.
Time/Date setup: Configure time zone and NTP server if needed.
Test call: Make test call to verify audio quality and connectivity.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 7-inch TFT color touchscreen (800 x 480 pixels).
Network: Dual 10/100/1000Mbps Ethernet ports, PoE (802.3af).
Wireless: Bluetooth 4.2, optional Wi-Fi (802.11a/b/g/n/ac).
Audio: HD voice, Opus codec, dual microphones, acoustic shield.
SIP Protocols: SIP RFC3261, TLS, SRTP.
Call Features: Hold, transfer, conference, forward, DND.
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).
Dimensions: 235mm x 195mm x 175mm (W x D x H).

Controls and Settings

Access settings via touchscreen menu. Physical buttons: MUTE, HEADSET, SPEAKERPHONE, NAVIGATION keys.

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

Basic Settings: Network configuration, SIP accounts, audio settings, display brightness. Advanced Settings: Bluetooth pairing, Wi-Fi configuration, firewall settings, VPN. Call Settings: Call forward, DND, auto answer, ring tones. Phone Settings: Language, time/date, screen saver, password protection.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Ethernet cable from PC port. Headset: Wired via 3.5mm jack or Bluetooth wireless.

Turn off phone before connecting cables if using power adapter.
Match cables to correct ports (Ethernet to LAN, handset to handset port).
For Bluetooth headset: Enable Bluetooth in settings, pair device.

Tip: Use quality CAT5e or CAT6 cables for best network performance.

Advanced Call Features

Supports advanced VoIP features for business use.

Make call: Dial number on screen or select from contacts/history.
Answer call: Press answer button on screen or pick up handset.
Call transfer: During call, press TRANSFER, enter number, press TRANSFER again.
Conference call: During call, press CONFERENCE, dial second party, press CONFERENCE to merge.
Call forward: Set up in call settings menu (always, busy, no answer).
DND: Enable Do Not Disturb from quick settings or menu.
Call recording: Press RECORD during call (if supported by SIP server).
Speed dial: Assign numbers to speed dial keys for quick access.

WARNING! Emergency calls may require proper configuration; verify with service provider.

Accessibility Features

Visual alerts: LED indicators for missed calls/messages. Audio adjustments: Separate volume controls for handset, speaker, ringer. Screen settings: Adjust brightness, contrast, font size. Hearing aid compatible: HAC rating for handset.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth for screen; dry cloth for body. Do not use abrasive cleaners or solvents.

CAUTION! Avoid liquid contact with ports and openings. Do not disassemble device.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE marked for European market. RCM for Australia. For full compliance information, check local regulations. Copyright © Yealink Inc. For support, visit www.yealink.com or contact your local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check power adapter connection; try different outlet; verify PoE switch.
No network	Cable/DHCP	Check Ethernet cable; restart router; verify DHCP settings.
No audio	Volume/connections	Check volume settings; verify handset/headset connection; reboot phone.
Cannot make calls	SIP configuration	Verify SIP account settings; check with service provider; reboot phone.
Screen unresponsive	Software/calibration	Restart phone; perform screen calibration in settings; factory reset if needed.
Bluetooth not pairing	Distance/settings	Ensure device in pairing mode; check Bluetooth is enabled on phone; move closer.

Reset: Settings > Advanced > Reset to factory defaults (requires admin password).

Firmware Update: Download latest from Yealink website; upload via web interface.

Service: Contact Yealink support or authorized service center.