When user come in chat room,System alter to down control.After confirmation £¬audio function is installed.

audio control button notes£º

start chat £¬start audio function¡£
start private chat£¬after select one person ,press it.If partner confirm to chat with you,then you can chat with each other.
start echo £¬you can hear your own voice.Repeated  sound is normal.You cannot hear your self when chatting with others.

Only one can say in one chat room and others can hear. The talker can be designated by administrator of the chat room by user command invite audio chat.If administrator want to talk using command of I chat¡£System select one person to talk if no one is designated.

Audio data can pass NAT and other transparent UDP proxy .

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