Digium – 2 Port PRI

Digium – 2 Port PRI

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Quick Overview

Digium Digital Telephony Cards

Dual Span

Digium's dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.

Dual span digital cards are available in PCI and PCI-Express form factor. Digium dual span digital cards are compatible with all versions of Asterisk using the DAHDi driver framework.

Product Description

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  • Applications

    • Connect two T1 or E1 trunks to an Asterisk based PBX system
    • Add direct digital PSTN connectivity to Asterisk applications and solutions
    • Create in-line call monitoring and recording solutions


    • Up to 24 (T1/J1) or 30 (E1) simultaneous calls
    • Supports T1, E1 and J1 physical interface connections
    • Optional 128ms hardware echo cancellation module
    • Protocol support includes: ISDN PRI, Robbed-Bit, CAS
    • Industry standard RJ-45 port
    • Available in PCI and PCI Express form factors
    • 2 ports / 2 spans
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