[BUG] Ringing event does not fire

[chiekku]

This is when leveraging the DLL in other code (sample code seems to work fine):

Neither the TapiManager nor the open line will fire off their Ringing events. If I manually pick up the call, it will connect, but I'm unable to rely on being told when the line is ringing.

I can place calls and dial, so everything is initialized correctly to my knowledge.