# wx.offVoIPChatMembersChanged(function callback)
Start from base library version 2.9.0. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support, need to Mini Program base library version no less than 2.9.1
Cancels monitoring of live voice call member online status change events.
# function callback
Callback function of real-time voice call member online state change event