The Yealink SIP T57W is a premium 7-inch touchscreen IP phone designed for business communications, featuring a 7-inch 720p capacitive touchscreen, 12-line SIP accounts, HD audio with dual microphones and speakers, Gigabit Ethernet ports, dual-band Wi-Fi, Bluetooth 4.2, USB ports for expansion, integrated Yealink Optima 60 HD webcam (optional), support for video calls, and compatibility with major SIP platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 7-inch capacitive touchscreen, Handset, Base unit, Ethernet cables, Power adapter, Optional webcam.
| Feature | Description |
|---|---|
| 7-inch Touchscreen | 720p capacitive display with intuitive user interface |
| HD Audio | Wideband audio with dual microphones and speakers |
| Network Ports | Dual Gigabit Ethernet (LAN/PoE and PC) |
| Wireless Connectivity | Dual-band Wi-Fi (802.11a/b/g/n/ac) and Bluetooth 4.2 |
| Expansion Ports | USB 2.0 and USB 3.0 for accessories |
| Video Capability | Supports optional Yealink Optima 60 HD webcam |
| Programmable Keys | Up to 27 programmable keys (line keys, speed dial, BLF) |
| Power over Ethernet | IEEE 802.3af/at compliant (PoE) |
| Headset Port | 3.5mm headset jack for hands-free operation |
| Video Codecs | H.264, H.263, VP8 for video calls |
Unpack and inspect contents. Place on stable surface.
WARNING! Use only Yealink-approved power adapter. Ensure proper ventilation around device.
Power on phone; follow on-screen prompts.
CAUTION! Keep firmware updated for security and feature enhancements.
Access settings via touchscreen or web interface (default IP: phone's IP address).
Touchscreen Interface: Home screen with dialer, contacts, call history, settings. Navigation via swipe and tap.
Physical Controls: Volume rocker, Mute button, Headset key, Navigation pad (on some models).
Settings Menu: Accounts, Audio (ringer volume, handset, speaker), Display (brightness, screensaver), Network (Wi-Fi, Ethernet), Features (call forward, DND, BLF), System (upgrade, restore, password).
Web Interface: Advanced configuration via browser (default username/password: admin/admin).
Network: Ethernet to switch/router. PC: Pass-through Ethernet. Accessories: Headset, webcam, Bluetooth devices.
Tip: Use quality Ethernet cables for stable Gigabit connections.
Supports advanced business telephony features.
WARNING! Configure advanced features per your PBX/system requirements.
High-contrast display modes available in Settings. Adjustable ringer volume and tone. Headset mode for hands-free operation. Visual alerts for incoming calls (screen flash).
Unplug before cleaning. Use slightly damp, lint-free cloth for touchscreen and body. Do not use abrasive cleaners or sprays.
CAUTION! Avoid moisture entering ports. Keep away from direct heat sources.
FCC Part 15: Class B digital device; complies with interference limits for residential use. CE, RCM, UKCA marked. Contains FCC ID: 2ABAP-T57W. For support, visit www.yealink.com or contact your authorized Yealink distributor. Copyright © 2023 Yealink Inc. All rights reserved.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Phone not powering on | Power/PoE issue | Check power adapter connection; try different PoE switch port; ensure cable is functional. |
| No network connectivity | Cable/DHCP settings | Check Ethernet cable; verify DHCP server; set static IP if needed. |
| SIP registration failed | Account credentials | Verify username, password, server address and port; check firewall settings. |
| No audio on calls | Network/audio settings | Check network QoS; verify audio codecs match server; adjust volume settings. |
| Touchscreen unresponsive | Software glitch | Restart phone; perform factory reset if necessary (backup settings first). |
| Wi-Fi not connecting | Signal/credentials | Ensure within range; re-enter Wi-Fi password; check for interference. |
Reset: Press and hold OK key during boot for factory reset (use with caution).
Service: Contact Yealink support or your reseller. Firmware and documents: support.yealink.com