Is it Possible to Remove the SCCP Called Party Point Code from the SLC's Response to the Network? (Doc ID 2011552.1)

Last updated on MAY 20, 2015

Applies to:

Oracle Communications Network Charging and Control - Version 4.0.0 and later
Information in this document applies to any platform.

Goal

In Signalling Connection Control Part (SCCP), Global Titles (GTs), Point Codes (PCs), and Subsystem Numbers (SSNs) are used to route messages between network elements in a Signalling System Number 7 (SS7) network.

Exactly which SCCP address to use is controlled by another SCCP parameter called the Routing Indicator (RI).  The RI is typically set to GT or PC + SSN.

According to the ITU-T Q.714 specifications, if the RI is set to GT, then the GT should be used and the PC should be ignored even if the PC is included in the response:

Even if an SPC is present in the "called party address" parameter, it shall not be used by SCRC.

where:

However it is possible for network nodes to ignore the RI (and this specification) and prioritise the PC over the GT so this article will explain how the PC can be removed.

Solution

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