Some people may say that ISDN is dead, but that’s news to the millions who rely on ISDN Primary Rate Interface service for connecting PBXs and dial-up modem banks to the public network. While it’s ...
Some topics and technologies seem to hang on forever, but we’re not sure whether ISDN Basic Rate Interface service is one of those. This came to light this week when we got a note from someone who was ...
In our recent series on ISDN, we mentioned in our discussion of the E-1 version of an ISDN Primary Rate Interface that one of the 32 DS-0s was already used for control purpose, so there were only 31 ...
ISDN codecs can specify several types of interface. Among these, S, T, U, V.35 and X.21 are more commonly seen, although there are others. This should help demystify ...
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