Yealink T53W IP Phone User Manual

The Yealink T53W is a high-performance, Wi-Fi 6 enabled IP phone designed for modern business environments. It features a 4.3-inch color LCD, 5-line SIP accounts, dual Gigabit Ethernet ports, Bluetooth 5.0, HD audio, support for wideband codecs, and a built-in Wi-Fi 6 module for flexible deployment. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4.3-inch color LCD display, Handset, Base unit, Ethernet cables, Power adapter, Quick start guide.

Feature	Description
Display	4.3-inch color LCD with capacitive touch
Network	Dual Gigabit Ethernet ports (LAN/PoE, PC)
Wireless	Built-in Wi-Fi 6 (802.11ax) and Bluetooth 5.0
Audio	HD handset and speakerphone, Opus codec support
Accounts	Up to 5 SIP accounts
Expansion	Support for Yealink expansion modules (optional)
Headset Port	3.5mm headset jack (EHS compatible)
Power	802.3af/at PoE or 12V DC power adapter
Programmable Keys	5 context-sensitive soft keys, 2 line keys
POWER	Turns phone on/off

Installation

Unpack and inspect contents. Place on stable surface.

Connect to Network: Use the included Ethernet cable to connect the LAN/PoE port to your network switch or router.
Connect a Computer (Optional): Use the PC port to connect a computer for pass-through networking.
Power the Phone: Use Power over Ethernet (PoE) from a compatible switch OR connect the included 12V DC power adapter to the DC IN port and a power outlet.
Connect Handset: Plug the handset cord into the dedicated port on the base unit.

WARNING! Use only the provided or Yealink-approved power adapter. Ensure all connections are secure.

First-Time Setup

Power on the phone; follow on-screen prompts.

Select Language: On the welcome screen, choose your preferred language.
Configure Network: The phone will attempt DHCP. For Wi-Fi setup, navigate to Menu > Settings > Network > Wi-Fi.
Provision the Phone: Enter your SIP server address, account username, and password provided by your service provider. This can be done via the web interface (phone's IP address) or directly on the phone.
Check Registration: Verify the account status icon shows registered.
Test Call: Make a test call to confirm audio quality.

CAUTION! Place the phone in a well-ventilated area away from direct heat sources.

Specifications

Display: 4.3-inch color TFT LCD, 480 x 272 pixels.
Network Interfaces: 2 x 10/100/1000 Mbps Ethernet, Wi-Fi 6 (802.11ax), Bluetooth 5.0.
Protocols: SIP RFC3261, TLS, SRTP, IPv4/IPv6.
Audio Codecs: Opus, G.722, G.711 (A/μ-law), G.729, G.726, iLBC, G.723.1.
Power Supply: IEEE 802.3af/at PoE or 12V DC, 0.5A.
Operating Environment: 0°C to 40°C, 10% to 90% humidity (non-condensing).
Supported Languages: Over 40 languages for user interface.
Dimensions: 210mm x 195mm x 65mm (without handset).

Controls and Settings

Access settings via the physical buttons or the touchscreen Menu.

Front Panel: MUTE, HEADSET, SPEAKERPHONE, NAVIGATION PAD, VOLUME UP/DOWN, PROGRAMMABLE KEYS.

Touchscreen: Menu, Directory, Call History, Settings, and context-sensitive soft keys during calls.

Key Settings Menus: Audio (ringer volume, handset/speaker gain), Display (brightness, backlight timeout), Network (Wi-Fi, Ethernet, VLAN), Account (SIP registration details), Features (call forward, DND, ring tones).

Connecting Devices

Headset: Plug a 3.5mm headset into the headset jack. Bluetooth: Pair a Bluetooth headset via Menu > Settings > Bluetooth. Expansion Module: Connect a Yealink EXP module to the EXP port on the side of the phone.

Turn off or unplug the phone before connecting wired accessories.
For Bluetooth, ensure the headset is in pairing mode.
Select the correct audio path (Handset, Headset, or Speakerphone) during or before a call.

Tip: Use the web interface (http://[phone-ip]) for advanced configuration of programmable keys and network settings.

Advanced Features

Supports advanced business telephony features.

Call Handling: Hold, Transfer (Blind & Attended), Conference (3-party), Call Park.
Call Forward: Set unconditional, busy, or no-answer forwarding per line.
Do Not Disturb (DND): Activate with a single key press or via schedule.
Directory: Access local phonebook, corporate LDAP directory, or call history.
Busy Lamp Field (BLF): Monitor colleagues' status using programmable keys.
XML Applications: Push custom web content (weather, news) to the idle screen.

WARNING! Do not use liquid or abrasive cleaners on the touchscreen.

Accessibility Features

High-Contrast Themes: Available in display settings. Adjustable Ringer Volume: Separate volume control for ringer, handset, and speaker. Hearing Aid Compatible (HAC): Handset is HAC rated.

Care & Cleaning

Unplug the power and network cables before cleaning. Use a soft, dry, lint-free cloth to wipe the casing and screen. For stubborn marks, slightly dampen the cloth with water. Do not use solvents.

CAUTION! Never spray liquids directly onto the phone. Avoid excessive pressure on the touchscreen.

Regulatory Information

FCC Part 15: This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. CE, RCM, UKCA marked. Contains FCC ID: 2ADUI-T53W. For support, visit www.yealink.com or contact your authorized Yealink distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source	Check PoE switch is active or DC adapter is firmly connected. Try a different outlet.
No network connection	Cable/DHCP	Check Ethernet cable; verify LAN port lights. Ensure DHCP is enabled on your network.
SIP account not registered	Credentials/Network	Verify SIP server address, username, and password. Check firewall settings.
No audio on calls	Audio path/volume	Ensure correct audio device (handset/speaker) is selected. Check volume levels are not muted or set to zero.
Wi-Fi not connecting	Signal/credentials	Move phone closer to the access point. Re-enter the Wi-Fi password correctly.

Factory Reset: Press and hold the OK key on the navigation pad while powering on the phone. Release when "Restoring" appears.

Service: Visit www.yealink.com/support; contact your service provider or authorized reseller.