OCSC PN: IMSCFCAP2 To IMSSFCAP3 Flow Is Not Correct
(Doc ID 1486444.1)
Last updated on FEBRUARY 17, 2021
Applies to:Oracle Communications Service Broker - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
IMSCFCAP2 to IMSSFCAP3 flow is not correct. AC (ApplyCharging) & ACR (ApplyCharging Report) operations are triggered by OCSC.
1. MSC sends ERB-oDisconnect to OCSC
2. OCSC sends ERB-oDisconnect to OCNCC (SCP)
3. OCNCC sends releaseCall
4. OCSC sends ACR towards OCNCC & releaseCall towards MSC
As per CAP2 specification, the expected flow: OCNCC should receive ACR before receiving ERB-oDisconnect. It means at Point 2, OCSC should generate ACR towards OCNCC.
According to ETSI TS 101 441 V7.8.1 (2002-08):
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