English translation for "ringing signal transmission"

振铃信号传输

Similar Words：

"ringing set" English translation, "ringing signal" English translation, "ringing signal generator" English translation, "ringing signal oscillator" English translation, "ringing signal sending" English translation, "ringing start signal" English translation, "ringing status" English translation, "ringing supervision" English translation, "ringing supply" English translation, "ringing switch trunk address" English translation