Message Manager Does Not Send SMPP Unbind to SMSC During Shutdown/Restart
(Doc ID 1923999.1)
Last updated on AUGUST 19, 2019
Applies to:Oracle Communications Network Charging and Control - Version 5.0.0 and later
Oracle Solaris on SPARC (64-bit)
In all version of Network Charging and Control (NCC) Messaging Manager (MM), up to and including 220.127.116.11, a problem exists where MM does not explicitly send a Short Message Peer to Peer (SMPP) UNBIND message to Short Message Service Centres (SMSC) when shutting down or restarting.
As per the SMPP v5.0 specification, an SMPP UNBIND is described as:
This may lead to potentially hung/stuck resources on the SMSC that may require manual intervention to clear.
Some SMSCs are not affected by this lack of explicit deregistration, as typically they can interpret a TCP FIN, from the Service Logic Controller (SLC), as a termination of the connection between the two network nodes.
Adding a pre-open SMSC to MM's configuration to submit short messages to.
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