1. A method of managing a conference call, comprising: classifying participants of the conference call in a hierarchy according to respective priority values; detecting an attempt of a first participant and a second participant to speak at substantially a same time; detecting which one of the first and second participants has a lower priority ranking; blocking an audio signal of the one of the first participant and the second participant having the lower priority ranking; placing an identifier associated with the blocked one of the first and second participants in a queue; organizing the queue according to a behavior-based policy, wherein organizing the queue according to the behavior-based policy comprises comparing an utterance of a current speaker to a keyword associated with the conference call to determine a relevancy of the utterance; and increasing a first point total associated with the current speaker in response to determining that the utterance is substantially relevant, and decreasing the first point total associated with the current speaker in response to determining that the utterance is substantially irrelevant.
4. A method as defined in claim 1 , further comprising organizing the queue according to the priority values of blocked participants.