I have a loop back on a ds3 port and want my calls to hairpin across 2 ds1s. Calls would go out of say (T1 1 and comeback on T1 2)Is it supported on 5400? If yes, could you please point to relevant config either for ISDN or FGD.
Yes, it is completely possible. Indeed, this could be called "TDM switching" rather than hairpinning. Hair pinning is when you switch between the timeslots of the same T1/E1.
Just configure two pots dial-peers and that is.
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