Yealink W73H Handset Manual

The Yealink W73H is a DECT cordless handset designed for use with Yealink SIP-T4X and VP series IP phones, offering mobility and flexibility in office environments. It features a high-resolution display, HD voice quality, multiple line support, and seamless integration with compatible base stations. 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 to Base Station 7. Making and Receiving Calls 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Handset unit, Charging cradle, Battery, Power adapter, Belt clip.

Feature	Description
Display	High-resolution graphical LCD with backlight
Audio	HD voice quality, built-in speaker and microphone
Connectivity	DECT wireless technology, up to 5 lines
Battery	Rechargeable Li-ion battery with long standby time
Navigation	Directional keypad and soft keys
Range	Up to 50 meters indoors, 300 meters outdoors
Headset Port	3.5mm jack for wired headset connection
Conference	Support for three-party conference calls
Phonebook	Up to 500 entries with caller ID support
Security	DECT encryption for secure communications

Installation

Unpack and inspect contents. Place charging cradle on stable surface.

Install battery: Insert battery into handset compartment, connect terminals.
Charge handset: Place handset in charging cradle, connect power adapter.
Register to base: Ensure base station is powered on and in registration mode.
Pair handset: Follow on-screen prompts to pair with base station.

WARNING! Use only Yealink-approved battery and charger. Do not disassemble the handset.

First-Time Setup

Power on handset; follow on-screen prompts.

Language selection: Choose preferred language from menu.
Date and time: Set manually or synchronize via network.
Network registration: Enter SIP credentials if not auto-provisioned.
Audio settings: Adjust ringer volume, tone, and handset volume.

CAUTION! Ensure proper charging before first use to maximize battery life.

Specifications

Dimensions: 48mm x 148mm x 25mm (W x H x D).
Weight: 115g (with battery).
Display: 128 x 64 pixel graphical LCD.
Battery: Li-ion, 3.7V, 750mAh.
Standby Time: Up to 180 hours.
Talk Time: Up to 15 hours.
Wireless: DECT, 1.88GHz - 1.90GHz.
Audio Codecs: G.711, G.722, G.726, G.729.
Operating Temp: 0°C to 40°C.
Power Source: 5V DC via charging cradle.

Controls and Settings

Access menu via MENU button. Front Panel: Navigation keys, Soft keys, Speakerphone, Volume buttons.

Key Functions: Green/Red for call answer/end, Directional pad for navigation, MENU for settings, HOLD for call hold, CONF for conference, TRANSFER for call transfer.

Settings: Audio (volume, ringer tone), Display (contrast, backlight time), Network (SIP settings), Security (PIN code), Phonebook (add/edit contacts).

Connecting to Base Station

Ensure base station (e.g., Yealink SIP-T46G) is compatible and powered.

Put base in registration mode: Press and hold DECT button on base.
Initiate handset registration: On handset, go to Menu > Registration > Search.
Select base: Choose base station from discovered list.
Enter PIN: Input base station PIN if required (default: 0000).

Tip: Keep handset within 3 meters of base during registration.

Making and Receiving Calls

Supports multiple call handling features.

Make call: Enter number using keypad, press green call button or speakerphone.
Answer call: Press green button or speakerphone when ringing.
End call: Press red button or place handset in cradle.
Hold call: Press HOLD button during active call.
Transfer call: Press TRANSFER, enter target number, press TRANSFER again.
Conference call: During first call, press CONF, dial second party, press CONF to merge.
Mute: Press MUTE during call to disable microphone.

WARNING! Do not use handset while charging in wet conditions.

Advanced Features

Phonebook: Store up to 500 contacts with multiple numbers per entry. Call History: View missed, received, and dialed calls. Intercom: Communicate with other registered handsets. Headset Mode: Connect wired headset for hands-free operation.

Care & Cleaning

Unplug charger before cleaning. Use slightly damp cloth for handset; dry cradle with dry cloth.

CAUTION! Do not use abrasive cleaners or solvents. Avoid extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE, RCM, and other regional certifications. Copyright © Yealink Inc. For support, visit www.yealink.com or contact your local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Handset not powering on	Battery depleted or faulty	Charge for at least 30 minutes; replace battery if needed.
No registration to base	Out of range or PIN incorrect	Move closer to base; verify registration PIN (default 0000).
Poor audio quality	Interference or low battery	Move away from other electronics; ensure full charge.
Cannot make/receive calls	Network or SIP configuration	Check base station network connection; verify SIP settings.
Short battery life	Battery aging or high usage	Replace battery; reduce backlight time and volume.

Reset: Menu > Settings > System > Reset to factory defaults.

Service: Contact Yealink support or authorized service center.