4-line telephone recording board

Detailed introduction to 4-line telephone recording board:
GX04R Telephone recording board

 Features and Benefits:

PCI interface bus, plug and play, whole based on DSP architecture

Parallel connection and high-impedance recording module, rules out interruption of data transmission on monitored channel at any time

Single board provides four independent collateral-operation ports for telephone recording and a port for playback

Supports three ways to start recording respectively for voltage-controlled, sound-controlled and key-controlled

Offers two selections of compression to record and play back,including 2 times (ADPCM) and 5 times, supports playback by sound card

Unique tone Inserting technology, during recording can cut in sound prompt on demand (optionally)

Accurately judges the channel status(pickup/Hangup, Ringing, activity/silence, short-circuit, disconnection)

Supports caller id display, Automatically identifies two mode respectively for FSK and DTMF

Provides caller id detection in a wide dynamic range, resulting in Caller ID can be accurately detected in poor circuit condition

Configuring various functional modules in different ways results in both high-impedance recording and automatic sound response message features.

Drivers is based on event-driven in order to multi-channel programming

4-channel,8-channel and 16-channel recording board are based on unified sound card driver and the three boards can be mixed slot

Supports unique AGC in volume, which ensures the volume balance between the two sides talk and tone clear

Development Environment:

Provides drivers in WIN98/2000/XP and LINUX operating system

Provides DLL dynamic link library and ActiveX control

Supports VC + +, VB, DELPHI, PB, C + + Bullder,. NET

Provides a Programming example as the source procedure

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