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#122583 01/13/05 02:56 AM
Joined: Dec 2004
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Looking for a complete list of alarm codes

Specifically Alarm Code 75

Nortel Phone System Service
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#122584 01/13/05 03:31 AM
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"Check your connection to your ISDN service provider"
Do you have a PRI?

#122585 01/13/05 04:20 AM
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I have 2 PRI T1s... The Code 75 refers to a drop of a T?

#122586 01/13/05 06:22 AM
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That's what the book says. It may have been a momentary problem. Was your PRI service down?

#122587 01/17/05 04:40 PM
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Alarm 75 could indicate a "clocking slippage" and not a total loss of signal on the PRI as well.


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