The converter signal caller ID of the protocols MFP (multi frequency propelled),MFC (multi frequency compelled DTMF (dual tone) or multi frequency) to the FSK (frequency shift key) or ETSI

摘要

The converter signal caller ID of the protocols MFP (multi frequency propelled),MFC (multi frequency compelled DTMF (dual tone mult) or FSK (frequency) to frequency shift key) or ETSI.This is a converter signal FSK / ETSI, with connection in parallel with the telephone line, with only two wires, and can be installed anywhere on the telephone line.It converts the signal for identifying calls that may be the MFP, MFC or DTMF, allowing identifiers of calls that operate on the protocol FSK / ETSI, can operate here in Brazil.Identifying the number of the calling subscriber.