Digital telephone recorder

Digitaltrunk Recording Card(GXD300R) GX300R digital trunk recording card real time record and monitor the single EI digital trunks all the call out signalling and the call process in the way of high impedance parallel connection with the EI digital trunk. It fit for the high-performanced digital trunk recording monitoring system based on the digital No.1 signaling(ISDN PRI). Features: 1, PCI bus interface, PNP (plug and play); whole based on DSP architecture 2, Built-in high impedance multiple connection; The cards EI digital port can directly bridge the EI digital trunk line which need to monitor. It do not affect the communication of digital trunk at any time. 3, Single card accurately record the single EI digital trunk s 30 speech channels in bidirection real time 4, Extract 30 channels telephone signalling; Calling and called number extraction; DTMF detection. 5, Support A-LAW PCMADPCMGSM code format to record and play 6, The driver adopts event-driven structure so as to programme multichannel. Related model: GX300R digital trunkrecording card