In addition to an the Echo installationsoftware, to record calls over PSTN channels, such as ISDN30 (PRI/E1/T1/J1), ISDN2 (BRI) or analogue POT lines, a piece of physical hardware is also required, the
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In addition to an the Echo installationsoftware, to record calls over PSTN channels, such as ISDN30 (PRI/E1/T1/J1), ISDN2 (BRI) or analogue POT lines, a piece of physical hardware is also required, the
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