Yealink SIP-T57W IP Phone Manual

The Yealink SIP-T57W is a high-end, full-color touchscreen IP phone designed for business environments. It features a 7-inch capacitive multi-touch screen, HD audio, Gigabit Ethernet, dual-port PoE, support for up to 16 SIP accounts, integrated Bluetooth and Wi-Fi, USB recording, 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 touchscreen, Handset, Base unit, Ethernet ports, Power adapter, Mounting bracket.

Feature	Description
Display	7-inch TFT LCD capacitive multi-touch screen (800 x 480)
Network	Dual Gigabit Ethernet ports (LAN/PoE, PC)
Audio	HD handset and speakerphone, Opus codec support
Wireless	Integrated Wi-Fi (802.11a/b/g/n) and Bluetooth 4.2
USB Ports	Two USB 2.0 ports (for recording, Wi-Fi/Bluetooth dongles)
Expansion	Support for up to 2 optional expansion modules (T5X)
Protocols	SIP RFC3261, TLS, SRTP, IPv6
Power	IEEE 802.3af/at PoE or AC adapter (included)
Programmable Keys	Up to 27 virtual programmable keys (screen-based)
Headset Port	EHS support for wireless headsets

Installation

Unpack and inspect contents. Place on desk or mount on wall.

Connect to Network: Plug Ethernet cable from router/switch into LAN/PoE port.
Connect PC (optional): Use second Ethernet port to daisy-chain a computer.
Power the Phone: Use PoE from switch or connect included AC power adapter.
Attach Handset: Connect coiled handset cord to handset port.
Mount on Wall (optional): Use included bracket and follow wall-mount guide.

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: Phone will attempt DHCP. Configure static IP if needed via touchscreen menu.
Provisioning: Enter SIP server details manually or auto-provision via TR-069, TFTP, HTTP, or HTTPS.
Account Registration: Enter SIP account credentials (username, password, server).
Set Date/Time: Configure NTP server or set manually.
Test Call: Make a test call to verify audio and registration.

CAUTION! Keep firmware updated for security and feature enhancements.

Specifications

Display: 7-inch TFT LCD, capacitive multi-touch, 800 x 480 resolution.
Network Interfaces: Dual 10/100/1000 Mbps Ethernet, integrated Wi-Fi 802.11a/b/g/n, Bluetooth 4.2.
SIP Accounts: Up to 16 lines.
Audio Codecs: G.711, G.722, G.729, G.726, Opus, iLBC, etc.
QoS: Layer 2 QoS (802.1Q/VLAN) and Layer 3 (ToS/DiffServ).
Power Supply: IEEE 802.3af/at PoE or 12V DC, 1.5A AC adapter.
Physical: 245mm x 200mm x 185mm (with handset).
Operating Environment: 0°C to 40°C, 10% to 90% humidity.
Compliance: FCC, CE, RCM, RoHS.

Controls and Settings

Access settings via touchscreen or web interface (http://phone-ip).

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

Physical Buttons: Mute, Headset, Speakerphone, Volume up/down, Navigation pad (optional on some models).

Settings Menu: Status, Account, Audio (handset, speaker, ringtone), Network (Wi-Fi, Bluetooth), Features (call forward, DND, ring groups), Security (admin/user password), Maintenance (upgrade, reboot, reset).

Web Interface: Advanced configuration (admin credentials required).

Connecting Devices

Ethernet: LAN/PoE port to network; PC port to computer. Wireless: Enable Wi-Fi/Bluetooth in settings.

Turn off phone before connecting wired accessories.
Wi-Fi: Go to Settings > Network > Wi-Fi, select network, enter password.
Bluetooth: Pair headset via Settings > Network > Bluetooth.
USB: Connect USB flash drive for call recording or Wi-Fi/Bluetooth dongle if needed.
Expansion Module: Connect T5X module to EXP port on back.

Tip: Use shielded cables for Ethernet to reduce interference.

Advanced Call Features

Supports advanced PBX features via SIP.

Make Call: Tap dialer, enter number, tap call button or use hands-free.
Answer/End Call: Tap answer icon or press headset/speaker button; tap end icon to finish.
Hold/Transfer: Tap hold during call; tap transfer, enter target, tap transfer again.
Conference: During call, tap add call, dial second party, tap merge.
Call Forward: Configure via Features > Call Forward (always, busy, no answer).
Do Not Disturb: Enable via quick settings or Features > DND.
Call Recording: Tap record during call (requires USB storage).
Directory: Access local and LDAP contacts.
Park/Pickup: Use configured park slots or call pickup codes.

WARNING! Emergency calls may require direct SIP trunk configuration.

Accessibility Features

Visual: Adjust screen brightness, font size, contrast. Audio: Adjust ringtone volume, set distinctive ring patterns, enable audio boost for hearing impaired. Physical: Support for EHS (Electronic Hook Switch) headsets.

Care & Cleaning

Unplug power before cleaning. Use soft, dry cloth for screen and body. For stubborn marks, lightly dampen cloth with water only.

CAUTION! Do not use abrasive cleaners, solvents, or spray directly on phone. Avoid excessive moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installation. CE, RCM, RoHS compliant. This device may not cause harmful interference and must accept any interference received. Copyright © Yealink Inc. For support, visit www.yealink.com or contact your authorized reseller.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source	Check PoE switch or AC adapter connection; try different outlet.
No network connectivity	Cable/DHCP	Check Ethernet cable; verify DHCP server; set static IP if needed.
SIP registration failed	Credentials/server	Verify username, password, server address; check firewall/SIP ALG.
No audio on calls	Network/audio settings	Check QoS settings; ensure correct audio codec; test with headset.
Touchscreen unresponsive	Software	Restart phone; update firmware; perform factory reset if necessary.
Wi-Fi/Bluetooth not working	Hardware/drivers	Ensure enabled in settings; check for interference; update firmware.

Reset: Press and hold OK key on boot for factory reset, or via web interface > Maintenance > Reset.

Service: Contact Yealink support or authorized dealer. Firmware and documents: www.yealink.com/support.