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For the discussion of ISDN (Integrated Services Digital Network) - Which is 3 to 5 times faster than analog dial-up.
 TopicReplies/uniqsLast Post
topicISDN in VA by Zenit8/115Zenit : 24th Aug 11:30AM
topicISDN line in CA by aizenn5/1365HeadSpinning : 18th May 2014
topicPRI and Alarms by Anthonyd1/956cramer : 13th May 2014
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