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- RINGNOANSWER(ringtime) - After trying for ringtime ms to connect to the available queue member, the attempt ended without the member picking up the call. Bad queue member!
- RINGCANCELED - A caller is ringing a queue member, but that caller hangs up before the member answers or times out.
- SYSCOMPAT - A call was answered by an agent, but the call was dropped because the channels were not compatible.
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