Options During a Call552. Press the Down key to highlight the Mute option.3. Press the OK soft key.The other person can no longer hear you.To switch the microphone back on:1. Press the Options soft key.2. If necessary, press the Down key to highlight the Unmuteoption.3. Press the OK soft key.The other person can hear you again.Muting or Sending Key TonesThese options allow you to turn the key tones off or on. If theMute Keys option is selected, your phone does not transmitthe DTMF (Dual Tone Multi-Frequency) tones of the keys,which allows you to press keys without hearing annoying keytones during a call.Note: To communicate with answering machines or computerizedtelephone systems, the Send Keys option must be selected.Sending a Sequence of DTMF TonesYou can send the DTMF tones after entering the entirenumber you need to send.This option is helpful for entering a password or an accountnumber when you call an automated system, like a bankingservice.To send the DTMF tones:1. When you are connected to the teleservice system, pressthe Options soft key.
