Yealink T57W User Manual

The Yealink T57W is a premium executive IP phone featuring a 7-inch multi-touch color LCD screen, HD audio quality with dual microphones and noise shield technology, support for up to 16 SIP accounts, integrated Bluetooth and Wi-Fi, Gigabit Ethernet ports, USB connectivity, 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 capacitive touch screen, Handset, Base unit, Ethernet ports, USB port, Headset jack, Bluetooth/Wi-Fi antennas.

Feature	Description
7-inch Touch Screen	Multi-touch color LCD with adjustable angle
HD Voice	Wideband audio with Opus codec support
Dual Gigabit Ports	For network and PC connection (LAN/PC)
Bluetooth 4.2	For wireless headset and mobile phone pairing
Dual-band Wi-Fi	802.11 a/b/g/n/ac support
USB Port	For USB flash drive or Bluetooth dongle
Headset Port	3.5mm jack for wired headset
Dual Microphones	With noise shield and acoustic fence technology
Expansion Module	Support for up to 3 Yealink EHS36 modules
Power over Ethernet (PoE)	IEEE 802.3af compliant

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect to Network: Use Ethernet cable to connect LAN port to router/switch (PoE supported).
Connect PC: Use second Ethernet cable from PC port to computer.
Connect Handset: Plug coiled handset cord into handset jack.
Power On: Use PoE or connect included power adapter to DC 5V port.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Select Language: Choose preferred language from initial setup screen.
Network Configuration: Configure IP settings (DHCP recommended).
Account Registration: Enter SIP server, username, password for primary account.
Date & Time: Set time zone and synchronization method (NTP recommended).
Test Call: Make test call to verify audio quality and registration.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 7-inch TFT LCD, 800 x 480 resolution, capacitive touch.
Audio Codecs: Opus, G.722, G.711, G.729, iLBC, etc.
Network: Dual 10/100/1000 Mbps Ethernet ports, PoE (802.3af).
Wireless: Bluetooth 4.2, Dual-band Wi-Fi (2.4GHz & 5GHz).
Protocols: SIP, TLS, SRTP, IPv6, LLDP-MED.
Memory: 512MB RAM, 512MB Flash.
Power Supply: 100-240V AC, 50/60Hz or PoE.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Access settings via touch screen or web interface (http://phone-ip). Physical Buttons: MUTE, VOLUME, HEADSET, NAVIGATION, PROGRAMMABLE keys.

Touch Screen: Home screen with status, contacts, call history, features.

Basic Settings: Language, Time, Display brightness, Ringtone volume. Network: Wired/Wi-Fi, VLAN, QoS. Account: SIP registration, call forwarding, voicemail. Audio: Handset/headset volume, microphone gain, HD audio toggle. Features: BLF, call park, intercom, recording, DND.

Connecting Devices

Wired Headset: 3.5mm jack. Wireless: Pair Bluetooth headset via menu. USB: Flash drive for contacts backup or music on hold.

Turn off phone before connecting wired accessories.
For Bluetooth: Enable in menu > Bluetooth > Search devices.
For Wi-Fi: Configure SSID and password in Network settings.

Tip: Use quality Ethernet cables for optimal network performance.

Advanced Call Features

Supports multiple call handling and UC features.

Multiple Calls: Handle up to 5 simultaneous calls with hold/transfer.
Call Transfer: Blind or attended transfer via touch screen.
Conference: Create multi-party conference (up to 5 parties).
Call Recording: One-touch recording (local or server-based).
Busy Lamp Field (BLF): Monitor colleague status with programmable keys.
Intercom: Direct voice communication to other Yealink phones.
Music on Hold: Upload custom music via USB.
Directory: Sync with LDAP or personal contacts.

WARNING! Comply with local laws regarding call recording notifications.

Accessibility Features

Visual: Adjustable screen brightness, font size, high contrast mode. Audio: Hearing aid compatible (HAC) handset, adjustable ringer volume. Physical: Tilt adjustment, optional wall mount.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth for screen; dry cloth for body.

CAUTION! Do not use alcohol, ammonia, or abrasive cleaners on touch screen.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check power adapter connection; try different outlet; verify PoE switch power.
No network	Cable/configuration	Check Ethernet cable; verify LAN port LED; check IP settings via screen.
Registration failed	Account credentials	Verify SIP server address, username, password; check network firewall.
No audio	Handset/network	Check handset cord; adjust volume; verify audio codec compatibility.
Touch screen unresponsive	Calibration/software	Restart phone; check for screen protector interference; factory reset if needed.

Reset: Press and hold OK key during boot for factory reset (loses all settings).

Service: Contact Yealink technical support or authorized service center.