Overview

For some SIP providers, the default configuration of DTMF detection, Auto (RFC 2833 / In-band), does not work. You must find out the correct method from your SIP provider and configure it manually.

 

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Information

This procedure applies to Kerio Operator 2.4 and above.

 

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Process

1. In the Administration interface, navigate to Configuration > Call Routing > Interfaces and routing of incoming calls.
2. Select the SIP interface and click on Edit.
3. Go to the SIP Details tab.
4. Select the correct DTMF method.
5. Click on OK.
   
   

 

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Confirmation

The desired DTMF for the SIP interface has been selected.

 

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