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. Single span cards are available in PCI and PCI-Express form factor. All dual span models be combined with Digium's VPMOCT064 echo cancellation module to provide echo cancellation across all channels. Digium cards are compatible with all versions of Asterisk using the DAHDi driver framework. Asterisk and DAHDi are available for free from the Asterisk.org website. All cards include a five (5) year warranty and are eligibile for Digium's no-risk ESP guarantee. | ![]() |
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How to Buy
1TE205PF - Two span digital T1/E1/J1/PRI PCI 5.0V card
1TE207PF - Two span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
1TE210PF - Two span digital T1/E1/J1/PRI PCI card
1TE212PF - Two span digital T1/E1/J1/PRI PCI card and hardware echo cancellation
1TE220F - Two span digital T1/E1/J1/PRI PCI-Express x1 card
1TE220BF - Two span digital T1/E1/J1/PRI PCI-Express x1 card and hardware echo cancellation
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