20. The system of claim 17 , wherein prior to displaying the visual indicator, the machine instructions further cause the processor to carry out the function of determining whether the listener is prohibited from hearing voice communications from the voice speaker.
20. The system of claim 17 , wherein prior to displaying the visual indicator, the machine instructions further cause the processor to carry out the function of determining whether the listener is prohibited from hearing voice communications from the voice speaker. 21. The system of claim 20 , wherein the machine instructions further cause the processor to carry out at least one of the functions of: (a) determining whether the voice speaker has been muted in the computing session; and (b) determining whether the voice speaker is restricted from voice communication as a result of one of an event occurring in the computing session and a status of the computing session.