ZTE D90 Cell Phone User Manual


 
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You can also use the volume keys located on the side of the phone to adjust the volume
level.
Mute
You can mute your voice during the call by pressing the Mute button, located on the right
soft key. Pressing the Unmute button will allow the caller to hear your voice again.
Speakerphone
Your phone has a speakerphone function that allows you to talk hands-free with the use of
the phone’s external speakers. To use the speakerphone, press the Speaker button on the
keypad. Press the Speaker button again to return to the standard call mode.
Advanced Features
To enter the advanced in-call features, press the Options button located on the left soft key.
You may select the following from this menu:
1. Call the Third Party: Calls another number to activate the 3-way calling feature.
2. Message: Switches to the Message interface during a call.
3. Contacts: Switches to the Contacts interface during a call.
4. DTMF Off/On: Enables and disables sending DTMF tones. This feature is used to
send numbers for communicating with automated voice systems, such as telephone
banking.
Note: The 3-way calling feature requires network support and may result in additional
charges. Contact your service provider for more information.
Three-Way Call
Your phone has a three-way calling feature, which enables you to have conference calls
with two parties. You can activate this function by following the procedure below:
1. Once a voice call has been established with Party A, press the Options button and