The primary rate interface (pri) is a telecommunications interface standard used on an integrated services digital network (isdn) for carrying multiple ds0 voice and data transmissions between the network and a user....
*astTECS PRI cards are high-performance, cost effective telephony cards available with carrier grade optional hardware echo cancellation. The card allows up to 96 (T1) or 120 (E1) channels and allows integration of legacy telephony systems with...
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