Huawei C7300 User Manual page 26

No. Description
and current profile.
2 Displays the contact name and the number of an ongoing call.
Displays the call duration. If the call recorder is enabled, the
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recording icon is displayed before the call duration.
Tap Options for the following options:
Mute: Mute the microphone.
Start Record: Record your voice or the voice of the other
party.
4 Save Number: Save the number to Contacts.
Contacts: Search for or create a contact.
Messages: Access Messages.
Memo: Write information during a call.
Voice Privacy: Enable voice encryption.
Tap this icon to switch between the hands-free mode and the
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hand-held mode.
Tap to access Memo.
Tap to access the screen for adjusting the volume.
Tap to mute the microphone. Then the other party
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cannot hear your voice. You can tap
microphone.
Tap to access Contacts.
Tap to display the on-screen keyboard.
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again to unmute the