The Yealink W73H is a professional cordless DECT handset designed for business environments, featuring HD voice quality, a large color display, multi-line support, seamless integration with Yealink IP phone systems, long battery life, and robust security features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Cordless DECT Handset, Charging Cradle, Battery, Power Adapter, Belt Clip, Quick Start Guide.
| Feature | Description |
|---|---|
| Display | 2.0-inch color TFT LCD with backlight |
| Voice Quality | HD Voice (G.722) for crystal-clear audio |
| Battery Life | Up to 10 hours talk time, 120 hours standby |
| Range | Up to 50 meters indoors, 300 meters outdoors (DECT) |
| Connectivity | DECT GAP compliant, registers to Yealink base stations |
| Multi-Line Support | Supports up to 5 SIP accounts/lines |
| Headset Port | 3.5mm jack for wired headset |
| Conference Calls | 3-party conference capability |
| Security | DECT encryption, password protection |
| Menu Navigation | 5-way navigation key with soft keys |
Unpack and inspect contents. Place charging cradle on stable surface.
WARNING! Use only Yealink-provided power adapter. Do not expose to water or extreme temperatures.
Power on handset; follow on-screen prompts.
CAUTION! Ensure battery is fully charged before first use for optimal performance.
Access menu via MENU button. Front Keys: TALK/SPEAKER, END, NAVIGATION (up/down/left/right/OK), Soft Keys, Volume +/-.
Menu Structure: Phonebook, Call History, Settings (Language, Audio, Display, Security), Registration, Features.
Audio: Adjust ringer volume, keypad tone, headset volume, microphone gain. Display: Backlight timeout, contrast, screen saver. Security: Handset lock PIN (default 0000), registration password. Features: Call forward, call waiting, DND, conference.
Ensure base station is powered and within range.
Tip: Keep handset within 50 meters of base station for optimal signal.
Supports internal and external calls via SIP accounts.
WARNING! Do not use in hazardous environments. Keep away from medical devices.
Call Forward: Enable in Menu > Features > Call Forward. DND (Do Not Disturb): Activate via DND soft key. Headset Mode: Plug in 3.5mm headset for hands-free. Intercom: Call other registered handsets internally. Firmware Upgrade: Via base station web interface.
Use soft, dry cloth to clean handset and cradle. Do not use chemicals or abrasive materials.
CAUTION! Avoid dropping handset. Replace battery if swelling or reduced capacity occurs.
FCC Part 15: Class B digital device; complies with interference limits. CE, RCM, IC certified. DECT compliant with ETSI EN 301 406. Contains FCC ID: 2ADUI-W73H. For support, visit www.yealink.com or contact your authorized reseller.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Handset not powering on | Battery depleted/faulty | Charge for 3 hours; ensure proper contact in cradle; replace battery if needed. |
| No registration to base | Out of range/PIN incorrect | Move closer to base; re-enter correct PIN; restart base station. |
| Poor audio quality | Low battery/interference | Charge handset; move away from microwave/WiFi routers; check codec settings. |
| Cannot make calls | SIP account issue | Verify SIP credentials; check network connectivity; contact administrator. |
| Short battery life | Old battery/background features | Replace battery; reduce backlight timeout; disable unnecessary features. |
Reset: Menu > Settings > System > Reset to Factory Defaults (requires PIN).
Service: Contact Yealink support at [email protected] or visit www.yealink.com.