Samsung SGH-X640 Manual De Usuario

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23
Answering a second call
You can answer an incoming call, if your network 
supports it and you have activated the call waiting 
feature.
1. Press [
] to answer the call. The first call is 
automatically put on hold.
2. Press <Swap> to switch between the calls.
3. Press <Options> and select End held call to end 
the call on hold.
4. To end the current call, press [
].
Transferring a call
You can transfer the current call to the call on hold so 
the callers can talk to each other.
Press <Options> and select Transfer.
Using the loudspeaker
You can talk and listen to the phone a short distance 
away.
Press <Options> and select Loud spk. on or Loud 
spk. off.
Using the voice clarity feature
This feature removes extraneous noise and increases 
call quality so that the person with whom you are 
speaking can hear you clearly even if you are in a 
noisy place.
Press <Options> and select Voiceclarity on or 
Voiceclarity off.
Switching off the microphone (Mute mode)
You can temporarily switch off your phone’s 
microphone so that the person on the phone cannot 
hear you.
Press <Options> and select Mute or Unmute.
Muting or sending key tones
You can turn the key tones off or on.
Press <Options> and select Mute keys or Send 
keys.
To communicate with answering machines or 
computerised telephone systems, Send keys must 
be selected.