Installation Guide
Tools Needed:
- Ethernet cable (CAT5e or higher)
- Power adapter (included)
- Handset and cord
- Network switch/router
- Screwdriver (if wall mounting)
Step-by-Step Installation
- Unpack and Inspect: Remove all components from packaging and verify contents: phone base, handset, power adapter, Ethernet cable, and documentation.
- Connect to Network: Connect one end of Ethernet cable to LAN port on phone, other end to network switch or router.
- Power Connection: Connect power adapter to phone's DC input and plug into wall outlet. Phone will begin booting process.
- Handset Connection: Connect handset cord to handset port on phone base.
- Optional Accessories: Connect headset to headset port if required. Connect additional line modules if supported.
- Initial Configuration: Follow on-screen prompts to set language, time zone, and network settings.
- PBX Registration: Enter PBX server address and credentials to register phone to your VoIP system.
- Test Functions: Make test calls to verify audio quality and all features are working properly.
Specifications
| Model Series | T54W / T53 / T57 |
| Type | IP Business Phone |
| Display | 4.3" / 3.7" / 7" Color LCD Touchscreen |
| Lines Supported | Up to 16 SIP accounts |
| Network Ports | Dual Gigabit Ethernet (LAN + PC) |
| Audio Codecs | G.711, G.722, G.729, Opus |
| HD Voice | Yes (wideband audio) |
| Power Options | AC adapter, PoE (802.3af) |
| Dimensions | 235 x 210 x 185 mm |
| Weight | 1.2 kg |
| Operating Temp | 0°C to 40°C |
| Humidity | 10% to 90% non-condensing |
Warranty Information
- Standard Warranty: 2 years parts and labor
- Extended Support: Optional 3-year extended warranty available
- Firmware Updates: Lifetime security updates
For warranty service, contact Yealink Support at 1-888-935-2468 or visit Yealink.com/support
Key Features
HD Voice Quality
Advanced acoustic technology with noise shield and HD voice codecs deliver crystal-clear audio quality for professional communications.
Touch Color Display
High-resolution color touchscreen with intuitive interface for easy navigation, contact management, and visual voicemail.
Bluetooth Connectivity
Built-in Bluetooth for wireless headset connectivity and mobile phone integration, enabling seamless call transfer between devices.
Dual Gigabit Ports
Integrated network switch with dual Gigabit Ethernet ports for connecting to network and PC without additional hardware.
Power over Ethernet
PoE support (802.3af) eliminates need for power adapter, simplifying installation and cable management.
Opus Codec Support
Advanced Opus codec provides superior audio quality even in low-bandwidth network conditions.
Call Management Features
Call Forwarding
Flexible call forwarding options based on time, caller ID, or busy status
Conference Calling
Multi-party conference calls with up to 8 participants
Call Recording
One-touch call recording with local or network storage options
Busy Lamp Field
Visual status monitoring of colleagues' availability
Speed Dial
Programmable speed dial keys for instant access to frequent contacts
Call Park/Retrieve
Park calls and retrieve from any extension in the system
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone won't power on | Power adapter issue, PoE not working | Check power connection, try different power source, verify PoE switch |
| No dial tone | Network issue, SIP registration failed | Check network connection, verify SIP credentials, restart phone |
| Poor audio quality | Network congestion, codec mismatch | Check network bandwidth, verify codec settings, update firmware |
| Display not working | Loose connection, hardware failure | Check display cable, restart phone, contact support if persistent |
| Cannot make/receive calls | Firewall blocking, SIP ALG enabled | Check firewall settings, disable SIP ALG on router |
| Bluetooth not connecting | Bluetooth disabled, pairing issue | Enable Bluetooth, re-pair device, check compatibility |
Common Error Codes
- No Service: Network connection issue - Check Ethernet cable and network settings
- Registration Failed: SIP configuration error - Verify SIP server settings and credentials
- DHCP Failed: Network configuration issue - Check DHCP server or set static IP
- Audio Problem: Codec or network issue - Check codec settings and network quality
- Memory Full: Storage limit reached - Delete old recordings or logs
- Update Failed: Firmware issue - Check network connection and try again
Manual Downloads
T5 Series Models
T54W
Executive IP Phone with 7" Touchscreen
T53
Professional IP Phone with 3.7" Display
T57W
Advanced IP Phone with 4.3" Touchscreen
T58A
AI Powered Business Phone
Popular Previous Models
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