4-line telephone recording box

Supports VC++, VB, DELPHI, PB, C++Bullder,. NET, WEB GXUSB-4R Telephone recording box

 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, rules out interruption of data transmission between the two sides talkSupports three start-up mode respectively for voltage-controlled, sound-controlled and key-controlled Supports caller id display, automatically identifies two mode respectively for FSK and DTMFProvides 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 both high-impedance recording and automatic sound response message features.Supports automatic recovery after hot-swap   Drivers is based on event-driven, provides DLL dynamic link library and ActiveX controlIs capable of expanding automatic sound response and message featuresAccurately 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

4-line telephone recording box