Samsung SGH-x475 - Manual (Page 35)

Section 3: Call Functions 31
Silent Mode
Sect
ion 3
To switch the microphone back on:
1. Press the Options soft key or the key.
2. If necessary, press the Down key to highlight the
Unmute option.
3. Press the OK soft key or the key. The other person can
hear you again.
Muting or Sending Key Tones
These options allow you to turn the key tones off or on. If
the Mute keys option is selected, your phone does not
transmit the DTMF (Dual Tone Multi-Frequency) tones of
the keys, which allows you to press keys without hearing
annoying key tones during a call.
Note: To communicate with answering machines or computerized
telephone systems, the Send keys option must be selected.
Searching for a Number in Phone book
You can search for a number in Phone book during a call.
1. Press the Options soft key or the key.
2. Press the Down key to highlight the Phone book option.
3. Press the OK soft key or the key.
The Phone book entries are listed.
4. Enter the name that you wish to find.
5. If you enter the first few letters of the name, the Phone
book entries are listed starting with the first entry
matching your input.