Chinese translation for "callblocking"

1.呼叫限制服务〔指电话局允许用户阻断某一电话号码打给用户的服务〕。
2.(通话量超负荷造成的)电话系统堵塞。

Similar Words：

"callback routines" Chinese translation, "callback security" Chinese translation, "callback type" Chinese translation, "callbell" Chinese translation, "callberg" Chinese translation, "callbo" Chinese translation, "callboard" Chinese translation, "callboy" Chinese translation, "callbuyer" Chinese translation, "callby" Chinese translation