ABillS. Installing and configuring Callcenter

Once in one company, in order to simplify the search for callers in ABillS, it was necessary to install the Callcenter module, which has different capabilities, but what we needed was pop-up notifications in the browser with a link to the caller’s page.

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Solution “Client did not reuse SSL session from control channel, rejecting data connection”

I once ran ProFTPd with TLS and users connected successfully, but one client was trying to transfer files via cURL and got the error:

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