Last updated on FEBRUARY 15, 2017
Applies to:
Oracle Communications EAGLE (Software) - Version EAGLE 40.x to EAGLE 46.0 [Release EAGLE 40.0 to EAGLE 46.0]Tekelec
Goal
Calls Originating from Softswitch are not reaching TDM exchanges of other Region
Call Flow:
Soft-Switch -------> Region1-STPA + Region1-STPB (LoadShare) --------> Region2-STPA ------- >TDM Exchange
From Soft-Switch we have M3UA Links with Eagle Region1.STPA and Region1.STPB. M3UA Link Status is normal. But the End Office status is un-reachable.
From Signal Trace of M3UA :
SS Sends message = DAUD -- Destination Status Audit
ISB.STPA and ISB.STPB Replies with = SCON SS7 Network Congestion State
Then ISB.STPA and ISB.STPB Replies with = DRST Destination Restricted
The end office status is unreachable from Soft-Switch.
Solution
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