English translation for "call switch"

发话开关
呼叫开关
呼叫转换开关

Similar Words：

"call supervision message" English translation, "call supervision packet" English translation, "call suppore" English translation, "call support" English translation, "call support layer" English translation, "call tape" English translation, "call target" English translation, "call tegistration" English translation, "call the" English translation, "call the ball" English translation