Model:3108

Telephone recording board

8 channel
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 4 boards
Drivers is based on event-driven in order to multi-channel programming
8-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