To call through, an authentication code is needed. Authorized phone numbers can be stored in a list of trusted callers. After entering the PIN and the required destination number of the call setup is performed automatically.


This module is default in the T300/T500, when accidentally deleted from the system you can download the module here.




After installing the module, update the module to the latest version using the automatic update procedure:

Go to: Configuration - Server - updates - Press "Search now"





Download the module V.177

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