BenQ M300 - Manual (Page 51)

Using Your Phone 37
Enter the phone number and then press to send the DTMF string.
End Call
End All
Ends all calls, whether active or on hold.
End Active
Ends only the active call.
End Hold
Ends only a call or calls on hold.
End One
Ends only a single call.
Hold/Unhold/Swap
Toggles the call status.
Mute/Unmute
Activates/cancels the silent mode.
Messages
Enters the SMS (Short Message Service — i.e. text message) menu. For
details on the SMS menu, see page 46, "Messages Menu".
Calculator
Allows you to use the calculator. For information about the calculator,
see page 88.