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I m working on D/120JCT-LS Rev 2 a 4 port PCI analog card for CLI identification i tried using following.. dx_gtcallid(chdev, buffer) and also dx_getdig(chdev,&tpt[0], &digp, EV_SYNC) but no success. i found that this card contains a feature called On-Hook Reverse Polarity Detection...

Hi, I wish to change the hookflash duration for a D/41JCT-LS board. The country setting is UK. Could you please tell me which parameter file I need to edit. I would have expected it to be uk_41j.prm but this file does not appear to exist. The choice seems to be uk_41d.prm, uk_41e.prm or uk_41h.prm...

Hi, I need to get rid of the sidetone that comes back from analogue phone lines. Can I use echo cancellation on the D/41JCT-LS card to achieve this? I have tried setting the CSPExtraTimeSlot parameter to ON but this seems to have little or no effect. Do I need to modify the application software to listen...