Digital Trunk Recording Card (E1 Card)

monitors recording of all call signaling and call process on single E1 digital trunk channel in real time by high-impedance and parallel connection with E1 digital trunk line, therefore it is especially applicable for constructing high-performance digital trunk recording monitoring control system based on ISDN PRI mode

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Digital Trunk Recording Card

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(1 - 1 out of 1)

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Digital Trunk Recording Card (E1 Card)

Digital Trunk Recording Card

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