Samsung SGH-C207CSACIN - Manual (Page 62)

Options During a Call
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3. Press the OK soft key or 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
Unmute option.
3. Press the OK soft key or key. The other person can
hear you again.
Muting/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 key tones. It 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.
Sending Tones
This option allows you to send the correct type of tones if
you need to enter a password or account number when
calling an automated system, such as a bank. To send
tones:
1. Press the Options soft key.
2. Highlight the Send DTMF option.
3. Press the OK soft key or key.
4. Enter the required number and press the OK soft key
or key.