FXS port is used to connect directly to phones, fax machines, and key systems. Generates battery polarity reversal and caller ID.
DID port is used to provide off-premises DID connection from central office. Serves only incoming calls from the PSTN. Does not support caller ID in DID mode.
Оплата и отправка удобным для вас способом.
Было найдено: 18.01.2018