Conducting calls – enhanced functions
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Using dual-tone multifrequency signalling
Your handset operates on the basis of digital informa- tion transmission. However, certain applications, forexample, answering machines, can only be operated using analog technology. For this you must send signals using the
Depending on how your system is configured (automat- ic tone dialling on or off - to be configured by the service engineer) you must first switch to DTMF dialling. This means, forexample, that you can communicate with a variety of voice storage systems.
You will find further details in the operating instructions for the relevant applications.
Automatic tone dialling is not active
During a connection you must first switch to
You are on a call.
Call the system menu.
Select the menu item and confirm.
Select the menu item and confirm.
Enter the numbers. All entries are sent as DTMF sig- nals.
Automatic tone dialling is active
Enter the numbers. All entries are sent as DTMF sig- nals.
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