digium BRI 1
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The B410P is a half-length universal PCI 2.2-compliant Basic Rate ISDN card that supports TE and NT mode over 4-wire S/T interface.
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Using Digiums digital hardware, Open Source Asterisk PBX software, and a Linux PC, users can create an intelligent telephony environment which includes all the sophisticated features of a high-end PBX/Voicemail platform.
The B410P is a half-length, full-height universal 3.3V and 5.0V 32-bit PCI 2.2 card supporting four BRI S/T interfaces. Each of the four ports of the B410P can be independently configured for TE or NT mode, with optaional PWR400M module for supplying power to ISDN telephones. The B410P features on-board hardware echo cancellation performing 64ms or 512 taps per channel for each of the eight voice channels