Thread: Phantom Calls
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Old August 14th, 2007, 02:07 PM   #12 (permalink)
martinyoung
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Re: Phantom Calls

All T1s require clocking to be stable. The normal procedure is to select at least one primary sync source (this would be an ISDN T1 as first choice) and if you have several T1s, pick a secondary sync source. When you status sync you will see the primary and secondary sync source, if it is 1A instead of the T1s you specified then disable sync and enable sync to get it back where it belongs. If your T1s are clocking internally they will begin to slip and will eventually fail.
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