Section 3: Call Functions 27Switching off the Microphone (Mute)You can temporarily switch your phone’s microphone off, so that the other personcannot hear you.Example: You wish to say something to person in the room, but do not want the person on the phone to hearyou.During a call, to switch the microphone off temporarily:Press the Mute soft key.To switch the microphone back on:Press the Unmute soft key.Muting or Sending Key TonesThese options allow you to turn the key tones off or on. If the Mute Keys option isselected, your phone does not transmit the DTMF (Dual Tone Multi-Frequency) tonesof the keys, which allows you to press keys without hearing annoying key tonesduring a call.Note: To communicate with answering machines or computerized telephone systems, the Send Keysoption must be selected.Searching for a Number in Address BookYou can search for a number in Address Book during a call.1. Press the Options soft key.2. Press the Down key to highlight the Address Book option.3. Press the Select soft key or the key.The Address Book entries are listed.4. If you enter the first few letters of the name, the Address Book entries arelisted starting with the first entry matching your input.5. To view the highlighted entry, press the key.For further details about the Address Book feature, see "Finding an Address BookEntry" on page 41.Call WaitingThe Call Waiting feature allows you to answer an incoming call while you have a callin progress, if this service is supported by the network, and you have set the Call
