when making a decision about who should have control of a voice channel in a teleconference , one exemplary aspect is directed toward a voice switch mechanism that determines and takes into account a latency of each participant &# 39 ; s path to the switch . the switch uses this information to ensure that short - latency paths do not have an unfair advantage over long - latency paths when individuals competitively seek control of the voice channel . illustratively , if an individual is participating in the path that has a round trip latency of 300 ms or greater than that of other participants , the voice switch creates a level playing field even if it detects voice energy from a short - latency user first by granting control of the channel to the long - latency user if voice energy is detected from that user within 300 ms of the short - latency detection .