• To mute the volume, press the Mute key on the right side of your device. To turn off mute, press the Mute key again. If
you press the Mute key during a call, your device mutes the call so that you can hear others on the call, but they cannot
hear you.
Related information
Mute a call, 50
Change the default volume for calls
You can increase or decrease the default volume for calls. The higher you set the volume percentage, the louder the volume is.
1. From the Home screen, press the
key.
2. Press the
key > Options > In-call Settings.
3. Change the Default Call Volume field.
4. Press the
key > Save.
Improve sound quality during a call
You cannot change sound quality when you are using a Bluetooth® enabled headset.
1. During a call, press the
key > Enhance Call Audio.
2. Select a Boost Bass or Boost Treble option.
Improve sound quality for all calls
You cannot change sound quality when you are using a Bluetooth® enabled headset.
1. From the Home screen, press the
key.
2. Press the
key > Options > In-call Settings.
3. Change the Phone Call Audio field or Headset Call Audio field.
4. Press the
key > Save.
Speed dial
Set up speed dial for a contact
1. From the Home screen, press the Send key.
2. Press the
key > View > Speed Dial List.
3. In the Speed Dial Numbers list, click an unassigned key.
4. Click a contact.
5. If necessary, click a phone number for the contact.
To make a call using speed dial, from the Phone application, the Home screen, a message, or a message list, press and hold the
key that you assigned to the contact.
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