Installation Guide
Tools Needed:
- Ethernet cable (CAT5e or higher)
- Power adapter (included)
- Handset and cord
- Screwdriver (for wall mounting)
- Network switch/router
Step-by-Step Installation
- Choose Installation Location: Select a location near network connection and power outlet on a stable surface or wall.
- Unpack Components: Remove all packaging materials and verify all components are present (phone, handset, power adapter, Ethernet cable).
- Connect Network Cable: Connect one end of Ethernet cable to LAN port on phone, other end to network switch/router.
- Power Connection: Connect power adapter to phone and plug into grounded electrical outlet.
- Handset Connection: Connect handset cord to handset port on phone and handset.
- Power On: Press power button or connect power to boot the phone system.
- Configuration: Follow on-screen prompts to configure network settings and SIP account information.
- Test Call: Make a test call to verify audio quality and connection stability.
Specifications
| Model Series | T54W / T53 / T57 |
| Type | SIP Business IP Phone |
| Color | Black / White |
| Display | 4.3" / 3.5" / 7" Color LCD |
| Network Ports | Dual Gigabit Ethernet (10/100/1000 Mbps) |
| Audio Codecs | G.711, G.722, G.729, Opus |
| Power Options | Power Adapter, PoE (802.3af) |
| Supported Protocols | SIP, TLS, SRTP, IPv4/IPv6 |
| Power Requirements | 100-240V, 50/60Hz, 0.5A |
| Dimensions (HxWxD) | 22.5 x 24.5 x 19.5 cm |
| Weight | 1.2 kg |
| Operating Temperature | 0°C to 40°C |
Warranty Information
- Full Warranty: 2 years parts and labor
- Extended Support: 5 years firmware updates
- Additional Coverage: Optional premium support available
For warranty service, contact Yealink Customer Service at 1-800-746-1519 or visit Yealink.com
Key Features
HD Voice Quality
Yealink's advanced audio technology with wideband audio support delivers crystal-clear voice quality with reduced background noise for professional communication.
PoE Support
Power over Ethernet capability allows single cable installation for both power and data, simplifying deployment and reducing cable clutter.
Multi-line Support
Support for multiple SIP accounts and lines enables handling of concurrent calls, call waiting, and flexible call routing for business environments.
Bluetooth Connectivity
Built-in Bluetooth allows wireless connection to headsets, mobile phones, and other Bluetooth-enabled devices for enhanced mobility.
Integrated Gigabit Switch
Built-in dual-port Gigabit Ethernet switch enables daisy-chaining to connect a computer without requiring additional network infrastructure.
Advanced Security
Enterprise-grade security features including TLS, SRTP, and secure boot ensure protected communications and system integrity.
Call Management Features
Call Transfer
Blind and attended call transfer capabilities for efficient call handling
Conference Calling
Multi-party conference calls with up to 5 participants
Call Recording
One-touch call recording for compliance and training purposes
Call Park/Retrieve
Park calls and retrieve from any extension in the system
Speed Dial
Programmable speed dial keys for quick access to frequent contacts
Do Not Disturb
DND mode to temporarily block incoming calls during meetings
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone won't power on | Power issue, faulty adapter, PoE switch problem | Check power connection, try different outlet, verify PoE switch |
| No dial tone | Network issue, SIP configuration error, cable problem | Check network connection, verify SIP settings, test cable |
| Poor audio quality | Network congestion, codec mismatch, hardware issue | Check network bandwidth, verify codec settings, test handset |
| Cannot make/receive calls | SIP registration failed, firewall blocking, account issue | Check SIP status, verify firewall settings, confirm account |
| Display issues | Loose connection, firmware problem, hardware defect | Check cable connections, update firmware, contact support |
| Feature buttons not working | Configuration error, firmware issue, hardware problem | Reset to factory defaults, update firmware, check hardware |
Error Codes
- No Service: Network connection issue - Check Ethernet cable and network
- Register Failed: SIP registration problem - Verify SIP credentials and server
- DNS Error: Domain resolution failure - Check DNS settings
- DHCP Failed: IP address assignment issue - Check DHCP server
- Audio Problem: Sound hardware issue - Check handset and speaker connections
- Provisioning Failed: Configuration download error - Check provisioning server
Manual Downloads
Current Model Manuals
T54W
Executive IP Phone with 7" Touch Screen
T53
Mid-range IP Phone with 3.5" Display
T57W
Advanced IP Phone with Wi-Fi
T58A
Android-based Smart Desk Phone
Popular Previous Models
T46S
12-line SIP Phone
T42S
8-line Entry-level IP Phone
T29G
6-line Gigabit IP Phone
T21P
2-line Basic IP Phone