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  1. Configurations for the PSTN

    It was solved by setting the dtmf_mode to rfc4733 .
  2. Configurations for the PSTN

    Hello I have configured and connected to the Grandstream HT813 FXO to make and receive calls using the PSTN line. In the beginning the call was not disconnecting but I read about the configurations of the PSTN Disconnect Tone: and configured it and now the line disconnects only in the other...