2.15 Sending DTMF signals 
During a conversation you sometimes have to send DTMF signals, such as with a voice server, an 
automated attendant or a remotely consulted answering machine. 
Depending on the system configuration, the DTMF can be activated by default. 
If DTMF is not activated by default on your system: 
•  During a conversation. 
•  Use one of the following: 
o  Send DTMF  
o  Press the star key. 
•  Enter DTMF code. 
The function is automatically cancelled when you hang up. 
If DTMF is activated by default on your system: 
•  During a conversation. 
•  Enter DTMF code. 
If DTMF is activated by default on your system, you have to deactivate DTMF before entering the code 
of a feature: Deactivate DTMF (Deact DTMF). 
2.16 Mute, so that your contact cannot hear you  
You can hear your contact but he/she cannot hear you:  
2.16.1 From the set  
•  During a conversation. 
•   Disable microphone   The mute key blinks  . 
•   Resume the conversation   The mute key no longer blinks  . 
2.16.2 From the Bluetooth® handset (Bluetooth® wireless handset)  
•  During a conversation. 
•   Press the handset volume/mute key (long press)   The mute key blinks. 
•   Press the handset volume/mute key (long press)   Resume the conversation   The mute 
key no longer blinks 
2.16.3 From the headset 
•  Use the mute key of the headset, if there is one, to disable headset microphone or to resume the 
conversation 
2.17 Forwarding calls to your voice message service  
•  Select the forward icon (the icon depends on your phone:  /  ). 
•  Imm fwd to VM (Imm fwd VM)   Forward is acknowledged. 
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