Making Calls – Basic Functions
Step by Step
Mute |
or |
Mute |
or |
Mute on? |
or |
Mute off? |
or |
Program/Service |
qif or rif |
Turning the Microphone On and Off
To prevent the other party from listening in while you consult with someone in your office, you can temporar- ily switch off the handset microphone or the handsfree microphone. You can also switch on the handsfree mi- crophone to answer an announcement via the tele- phone speaker (speaker call, Æ Page 28).
Speakerphone mode is not available with optiPoint 400 economy.
Precondition: You are conducting a call. The micro- phone is switched on.
Press the key. The LED lights up.
Press the illuminated key. The LED goes out.
Select and confirm.
Press the key. The LED lights up
Enter the code for "on" or "off".
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