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To put a call on hold or retrieve a call that has
been put on hold.
“
Swap
”
To change between a call being made and
one on hold.
“
End current
”
To end the current call.
“
Mute
”
To stop transmitting the user’s voice.
“
DTMF off
”
To deactivate DTMF sound.
“
DTMF on
”
To activate DTMF sound.
Note:
DTMF (dual tone multi frequency) is
the signal to the phone company that you
generate when you press an ordinary
phone's touch keys.
“
Messages
”
To create a SMS or MMS message.
“
Names
”
To enter the list of phone book entries.
“
Multiparty
”
-
“
Answer
”
To pick up a waiting incoming call and
join it with a multiparty call
-
“
Join all
”
To add a caller to a multiparty call.
-
“
Hold all calls
”
To put a conference call on hold.