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Features and Benefits:
With USB interface, provides easy installation, supports hot-swap, PNP(plug and play)and automatic recognition.Parallel connection and high-impedance recording module, have no influence on two sides talk.

Supports three start-up mode respectively for voltage-controlled, sound-controlled and key-controlled
Supports caller ID display, automatically identifies two modes respectively for FSK and DTMF.
Provides caller ID detection in a wide dynamic range, and accuracy of detection is industry-leading.
Offers a large selection of audio encoding, including A-law PCM, ADPCM, GSM and so on.

Configuring various functional modules in different ways results in high-impedance recording, automatic sound response and leaving message.Software dialing, playing voice prompt during recording on demand (MODEL: GXUSB-04R ONLY).

Supports AGC in volume, which ensures the volume balance between the remote end and near end during call.
Supports automatic recovery after hot-swap and USB port error
Drivers is based on event-driven, provides DLL dynamic link library and ActiveX control.
Be capable of expanding automatic sound response and leaving message.
Accurately judges the channel status((pickup/Hangup, Ring times, open-circuit or short-circuit, activity/silence, busy tone on line).
Supports 5-times compressed voice for storage, as a result, audio data can be saved directly in WINDOWS-standard WAVE format.

Development Environment:
Provides drivers in WIN2000/XP and LINUX operating system
Provides DLL dynamic link library and ActiveX control
Supports VC, VB, DELPHI, PB, CBullder, . NET, WEB
Provides a Programming example as the source procedure and audio editing tool.

Application areas:
Telephone Service and working Quality Monitoring System
Banking, insurance, securities and other audio monitoring in key sector
Scheduling departments: Aviation, electric power, railways, oil, ports, transportation and other conducting control center
Government departments and enterprises telephone recording as evidence.