Features and Benefits:
  16 channels
  With PCI bus interface , 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
  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
  Configuring various functional modules in different ways results in both high-impedance recording and automatic sound response message features.
  Single host computer supports 8 boards ,no need for inter-board connection 
  Drivers is based on event-driven in order to multi-channel programming
  8-channel,16-channel and 4-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
  Provides caller id detection in a wide dynamic range, resulting in caller id can be accurately detected in poor circuit conditions
  Single board provides eight independent collateral ports for telephone recording and a port for playback and Supports three ways to start recording respectively for voltage-controlled, sound-controlled and   key-controlled 

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