User guide
Table Of Contents
- Changes to This Guide
- Contents
- Getting Started with Your SoundPoint® IP 650 Desktop Phone
- Customizing Your SoundPoint® IP 650 Desktop Phone
- Configuring Basic Settings
- Changing the Appearance of Time and Date
- Changing the Display Contrast
- Changing the Backlight Intensity
- Enabling the Headset Memory Mode
- Selecting the Correct Headset for Electronic Hookswitch
- Selecting the Ring Type
- Changing the Language
- Changing the Graphic Display Background
- Muting the Microphone
- Adjusting the Volume
- Managing Call Lists
- Managing Contacts
- Managing Incoming Calls
- System Customizations
- Configuring Basic Settings
- Using the Basic Features of Your SoundPoint® IP 650 Desktop Phone
- Using the Advanced Features of Your SoundPoint® IP 650 Desktop Phone
- Using the SoundPoint® IP Backlit Expansion Module
- Troubleshooting Your SoundPoint® IP 650 Desktop Phone
- Regulatory Notices
- Index

User Guide SoundPoint IP 650 Desktop Phone
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7. Select Maximum Intensity.
8. Press the Up or Down soft keys to increase or decrease the backlight
intensity.
9. Press the Ok or Cancel soft keys to accept or cancel changes.
10. Press to return to the idle display.
Enabling the Headset Memory Mode
This feature is especially useful for permanent or full-time headset users.
To permanently enable the Headset Memory Mode:
1. Press .
2. Select Settings > Basic > Preferences > Headset... > Headset Memory...
3. Use or to select Enabled, and then press the Select soft key.
4. Press to return to the idle display.
Repeat steps 1 to 4 to select Disabled and turn Headset Memory Mode off.