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The Digium TE820BF PCI Express card provides echo cancellation and full support for Asterisk applications. This card supports up to 192 simultaneous calls from connected T1 telephony devices. Individually select the eight spans on the four ports through the TE820BF's software.
Install the Digium TE820BF card on an available PCI Express slot. With a high-density interface, this card is ideal for PSTN connectivity and more.