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   TD-9800

 
Enable DTMF Function
in Software


 

 
  


DTMF Software
 
If the Phone / Phone System option does not appear in the lower left menu selections as shown below, you will need to upgrade/activate it by running the following DTMF enabling software. A document showing the installation process is included in the .zip file.

DTMF Enable



 



 

 






 

TD-9800