Toolpack:Creating an SCCP GTT Association A

Now that you have configured an SCCP SSN, you must create a new SCCP global title translation (GTT) association.

SCCP GTT Association

A GTT association defines a particular Global Title format and associated fields. It is assumed that all global titles included in this association have specific translation needs and therefore can be served by a single translation function set.

It is possible to create multiple GTT associations. This allows, for example, having separate "Translation Table" for different Numbering Plan, E.164 vs E.212.

GTT Association - Filtering

The GTT Association does the following:

• Binds a "Translation Table" to the specified SCCP Network
• Creates a set of rules that filters inbound messages on:
  • GT Indicator
  • Translation Type (TT)
  • Nature of Address Indicator (NAI)
  • Numbering Plan (NP)
  • Encoding Scheme (ES)
• Inbound SCCP messages that matches all criteria will hit the associated "Translation Table"

Creating an SCCP GTT Association

1- Click Create New Sccp GTT Association from the SCCP stack configuration window

2- Configure the new SCCP GTT association:

• Enter a Name for the new GTT association
• Select a Protocol Variant
• Select an SCCP Network to bind to this GTT Association
• Select a Format Type (GTI)

3- Depending on Format Type, select if you want to filter on GT following parameters

• Translation Type (TT)
• Nature of Address Indicator (NAI)
• Numbering Plan (NP)
• Encoding Scheme (ES)

4- Click Create

5- Verify that the "SccpGTTAsso was successfully created" message appears

Configure GTT association actions

• Enter a Start Digit (min. 1)
• Enter an End Digit (max. 254)
• Select a Action Type
• Click the "<<" button

List of Parameters

• Name
• Protocol Variant
• SCCP Network
• Format Type

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