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Products > controller card > Guanxin Electronics Co., Ltd | Similar Products

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controller card

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Standalone Telephone Recorder: control(AGC) technology, make sure the audio balance on two side and voice clear. Unique DSP algorithm, make sure caller ID ( DTMF/FSK) and DTMF key accurately receive in all kinds of line ...

Standalone Telephone Recorder: control(AGC) technology, make sure the audio balance on two side and voice clear. Unique DSP algorithm, make sure caller ID ( DTMF/FSK) and DTMF key accurately receive in all kinds of line ...

PCI Telephone Recorder: card provides four independent parallel work ports for telephone recording and a port for playback 4, Supports three ways to start recording respectively for voltage-controlled, sound-controlled and ...

2 Channel Telephone Recorder: controlled, sound-controlled and key-controlled. 4, Accurately judge the channel status(Pickup/Hangup, Ring times, Open or Short-circuit, Sonance or Slience) 5, DTMF and CID can be detected by ...

1 Channel USB Telephone Recorder: controlled, sound-controlled and key-controlled. 4, Accurately judge the channel status (Pickup/Hangup, Ring times, Open or Short-circuit, Sonance or Slience) 5, DTMF and CID can be detected by ...

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