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Digium te235b two 2 span digital card t1e1j1pri pci express x1 card ha ...
digium te235b two 2 span digital card t1e1j1pri pci express x1 card ha ...
Digium te235b two 2 span digital card t1e1j1pri pci express x1 card hardware echo cancellation
Digiums 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 t

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