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$2,143.77
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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 factors. All dual span models can be combined with an Octasic DSP-based echo cancellation module from Digium to provide effective hardware echo cancellation across all channels.
Dual span digital cards are available in PCI and PCI-Express form factors. All dual span models can be combined with an Octasic DSP-based echo cancellation module from Digium to provide effective hardware echo cancellation across all channels.
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Card, echo cancellation module, documentation
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Up to 24 (T1/J1) or 30 (E1) simultaneous calls per span (48 total T1/J1 and 60 total E1 calls per card)
Supports T1, E1 and J1 physical interface connections
Optional 128ms hardware echo cancellation module
Protocol support includes: ISDN PRI, Robbed-Bit, CAS -
(2) RJ-45
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This product is subject to our return policy. Please see our complete return policy for details.
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0.4 lbs
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43223201
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5 Years
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5 Years
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