Installation Guide
Tools Needed:
- Ethernet cable (CAT5e or higher)
- Power adapter (included)
- Handset and cord
- Mounting bracket (optional)
- Network configuration details
Step-by-Step Installation
- Unpack and Inspect: Remove all components from packaging and verify contents against packing list.
- Connect Network Cable: Connect one end of Ethernet cable to phone's LAN port and other end to network switch or router.
- Power Connection: Connect power adapter to phone and plug into electrical outlet. For PoE setups, ensure switch provides adequate power.
- Handset Connection: Connect handset cord to handset port on phone base.
- Optional Accessories: Connect headset to headset port and/or expansion module if required.
- Power On: Press power button or wait for auto-boot when connected to PoE. Phone will initialize and attempt to obtain IP address.
- Configuration: Access web configuration interface using phone's IP address to set up SIP accounts and preferences.
- Test Functionality: Make test calls to verify audio quality and all features are working properly.
Specifications
| Model Series | T5 Series (T54W, T53, T57W) |
| Type | IP Business Phone |
| Color | Black / White |
| Display | 7-inch color touchscreen (T57W) |
| Network Interfaces | Dual Gigabit Ethernet ports (10/100/1000 Mbps) |
| Audio Codecs | G.711, G.722, G.729, Opus |
| SIP Accounts | Up to 16 lines (depending on model) |
| Power Options | PoE (802.3af/at), AC adapter |
| Dimensions | 235 x 210 x 165 mm (T57W) |
| Weight | 1.2 kg |
| Operating Temperature | 0°C to 40°C |
| Humidity | 10% to 90% non-condensing |
Warranty Information
- Standard Warranty: 2 years parts and labor
- Extended Warranty: Available up to 5 years
- Software Updates: Lifetime firmware updates
For warranty service, contact Yealink Support at 1-800-746-1519 or visit Yealink.com/support
Key Features
HD Voice Quality
Advanced HD voice technology with wideband audio support (G.722) and acoustic shield for crystal-clear conversations even in noisy environments.
Touchscreen Interface
High-resolution color touchscreen with intuitive user interface, customizable shortcuts, and visual voicemail display for enhanced productivity.
Bluetooth Connectivity
Built-in Bluetooth 5.0 for wireless headset pairing, mobile phone integration, and contact synchronization from smartphones.
Wi-Fi Ready
Optional Wi-Fi module support for flexible deployment without Ethernet cabling constraints in office environments.
Expansion Module Support
Support for up to 4 expansion modules (EPM series) providing additional programmable keys for busy receptionists and executives.
Power over Ethernet
IEEE 802.3af/at compliant PoE support simplifies installation by delivering both data and power through a single Ethernet cable.
Advanced Calling Features
Call Forwarding
Multiple forwarding options including unconditional, busy, and no answer with flexible scheduling capabilities.
Conference Calling
Support for 3-party ad-hoc conferences and up to 16-party meet-me conferences with superior audio quality.
Call Recording
One-touch call recording with options for local storage or network upload for compliance and training purposes.
Busy Lamp Field
Visual status monitoring of colleagues' availability with presence information and one-click call initiation.
Auto Provisioning
Zero-touch deployment with automatic configuration from provisioning servers (HTTP/HTTPS/TFTP).
Integrated VPN
Built-in VPN client support for secure remote connectivity to corporate networks without additional hardware.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone won't power on | Power adapter issue, PoE switch problem, faulty cable | Check power source, try different Ethernet cable, test with AC adapter |
| No dial tone | Network connectivity, SIP registration failure, incorrect settings | Check network connection, verify SIP credentials, reboot phone |
| Poor audio quality | Network congestion, codec mismatch, hardware issue | Check network QoS settings, verify codec configuration, test with headset |
| Screen not responding | Touchscreen calibration, software glitch, physical damage | Restart phone, perform factory reset (if needed), check for damage |
| Cannot access web interface | IP address changed, firewall blocking, incorrect credentials | Check phone's IP address, verify firewall rules, use default admin password |
| Bluetooth not working | Bluetooth disabled, pairing mode not activated, device compatibility | Enable Bluetooth, enter pairing mode, check device compatibility |
Common Error Messages
- No Service: SIP registration failed - Check network and SIP server settings
- Network Unavailable: Ethernet connection issue - Check cable and switch port
- Invalid Password: Authentication failure - Verify SIP account credentials
- Provisioning Failed: Configuration server issue - Check provisioning server URL and accessibility
- Memory Full: Storage capacity exceeded - Delete old call records or voicemails
- Upgrade Failed: Firmware update issue - Check network connectivity and file integrity
Manual Downloads
T5 Series Models
T57W
Executive IP Phone with 7" Touchscreen
T54W
Manager IP Phone with 4.3" Screen
T53
Standard IP Phone with 2.8" Screen
T53P
PoE IP Phone with 2.8" Screen
Popular Accessories
EPM56
56-Key Expansion Module
WH66
Wireless DECT Headset System
W60P
Wi-Fi USB Adapter
CP900
Conference Phone