Silent meetings also circumvent negative effects of something called production blocking.
无声会议还可以规避所谓的 “生产阻塞” 的负面效应。
英语百科
Call blocking
Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party.