Terms containing pulsing signals

Subject	English	Portuguese
el.	start dialing pulsing signal	sinal de convite à transmissão
el.	start dialling pulsing signal	sinal de convite à transmissão
el.	start-of-pulsing signal	sinal KP
el.	start-of-pulsing signal	sinal preliminar ao envio de numeração
telecom.	start-of-pulsing signal	sinal de início de marcação