During A Call; Mute (Unmute); Available Options During A Call - Helio Ocean2 User Manual

BASIC OPERATION
I MUTE (UNMUTE)
This function temporarily switch your phone's microphone off so
that the person you talk to on your phone cannot hear you.
To turn on/off the Mute function during a call,
press
I AVAILABLE OPTIONS DURING A CALL
To display menu options during a call, press
CONTACTS
To search or save the handset number in your contacts list.
Press [MENU]
CALL HISTORY
To displays the list of call history.
Press [MENU]
SPEAKER ON (OFF)
Activates the speaker phone when you are on a call. The handset
returns to normal (speaker phone off) after ending a call or when
the handset is turned off and back on.
Press [MENU]
3-WAY CALL
To call a second party during a call, dial the number or select it
from the directory by accessing the menu during a call.
Press [MENU]
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[MUTE/UNMUTE].
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DURING A CALL

[MENU].