SCTP Stack Congested, Dropping/Retransmitting Outgoing Packet Diagnosis With Network Charging and Control Applications (OCNCC)
(Doc ID 1268279.1)
Last updated on OCTOBER 02, 2019
Oracle Communications Network Charging and Control - Version 2.2.0 and later Oracle Communications Convergent Charging Controller - Version 6.0.0 and later Information in this document applies to any platform.
This document will help in analyzing SCTP congestion/retransmission issues on Oracle Communication Network Charging and Control (OCNCC) software. Some of the error messages reported during congestion are:-
This article will also explain SMSC timeout errors reported during congestion/retransmission
<host_1> xmsTrigger: [ID 953149 user.warning] xmsTrigger(18958) WARNING: Communications Error: Timed out while waiting for response from SMSC: MapTransaction (SMSC delivery) - MessageType=Submit(0), MapVersion=3, Segmented=false, A-party=<MSISDN-A>, B-party=<MSISDN-B>, Invoke-id=0, TCAP Dialog id=6713, Begin/Abort-Delta=<no abort received>, State=MT-awaitingSMSC
Please note that this article is written from the point of view of Oracle Communications Network Charging and Control (OCNCC) customers and hence does not cover all technical details of SCTP (Stream Control Transmission Protocol) and congestion/retransmission. Please refer to RFCs and technical documents for further details.
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