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#261952 12/03/09 11:06 AM
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We have 5 AT&T PRI ckts with two shared d channels, NFAS. We have a number that rings to the lead ckt and overflows to the other 4. The lead ckt is not a d channel ckt. If the lead ckt goes offline, say my CSU goes bad or AT&T's card in their SLC hut goes bad, will, or should, the incoming calls go past the bad csu/card to the next ckt or does the d channel think the channel is available and presents the caller, say, silence?

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#261953 12/03/09 04:02 PM
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My thought would be that the B channels would be seen as offline, and traffic would bypass that circuit altogether.

Justin

#261954 12/04/09 02:59 AM
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I’m with Justin on this one... If there is a channel(s) in failure it will be seen as in alarm and “should” be skipped and the call routed to the next available channel.


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#261955 12/04/09 03:26 AM
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Channel I'll go with, what about a complete span? If I have trunk group overflow features, we do, on a trunk group that uses the 1st 12 channels on a span and normally traffic flow does overflow to the next span in the same NFAS group will, should, it roll past the first span? i'm going in late next week to test this, just wanted to know what i might, maybe, should see.


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