Call Initiation (CI) Node Timeout during Call Setup
(Doc ID 1296626.1)
Last updated on FEBRUARY 27, 2019
Applies to:Oracle Communications Network Charging and Control - Version 3.1.0 and later
Information in this document applies to any platform.
USSD Call Back Call Flow (SLC drops the call):
Problem symptom related with above call flow:
During USSD Callback call setup, the SLC drops the call when the Mobile Switching Center (G/MSC) has connected the call to the A party and is waiting for Answer (ISUP ANM message). In other words the SLC drops the call when the A party's phone is ringing (Call is disconnected before NoAnswer timeout).
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