Grandstream Networks WP8 Series User Manual page 14

The following table describe the WP825 keypad keys.
Key
1. Proximity sensor
2. Earphone
3,4 Volume up / Down Keys
5. PTT Key
6. * / Mute key
Arrow key combination (Up, Down,
7.
Left, Right)
8. Off-hook / Dial key
9. Alphanumeric Keypad
Hands-free / Speaker key
10.
11. LED indicator
Figure 8: WP825 Description
Description
The proximity senor can detect and measure gravitational acceleration, tilt, vibration, altitude
changes, and static position.
Delivers audio output.
Con gure the handset and ringtone volume.
PTT (Push-to-Talk) button, to initiate PTT call.
Keep pressing on * in idle screen to mute/unmute the ringtone.
Allows navigation of the cursor through the displayed menu options.
Enters dialing mode, or dials number entered.
Provides the digits, letters, and special characters in context-sensitive applications. For + sign,
press and hold key 0.
Activates or deactivates the mute feature when keep pressing on * in idle screen.
1dual-color LED indicator indicating power, call, battery, message waiting...