每秒脉冲(PPS)指的是在一秒钟内的脉冲或脉冲拨号次数。
Pulses per second (PPS) refers to the number of pulses per second and the number of dial pulses per second.
按键脉冲是通过在一条线上按键而不是旋转脉冲拨号的信令方法。
Key Pulsing is a method of signaling by depressing keys on a line otherwise arranged for rotary pulse dialing.
Pulse属性包含用于指示调制解调器用于拨号使用的脉冲模式的命令字符串。在电话线不能做按钮拨号时必须使用脉冲拨号。例如： P。
The Pulse property contains the command string used to instruct the modem to use pulse mode for dialing. Pulse dialing is necessary for phone lines that are unable to handle tone dialing. Example: P.
DTMF是一种可靠而成熟的通信技术，由于它可以提供更高的拨号速率，迅速取代了传统转盘式电话机使用的拨号脉冲信号。
DTMF is a reliable and mature technology. Because it can provide the higher dialing speed, it has rapidly replaced the dial pulsing signal which the traditional dial telephone used.
DTMF是一种可靠而成熟的通信技术，由于它可以提供更高的拨号速率，迅速取代了传统转盘式电话机使用的拨号脉冲信号。
DTMF is a reliable and mature technology. Because it can provide the higher dialing speed, it has rapidly replaced the dial pulsing signal which the traditional dial telephone used.
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