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Click on the links below to display the Call Trace
Configuration:
The OLI parameter is configured in the SGP object and is inserted into a external network element object. Below are instructions on how to configure the OLI parameter. The procedure below explains how to configure the IMG to insert/map the OLI value between ISDN and SIP. Verify the following entities are configured before proceeding:
Configure these initial objects before proceeding to the procedure below.
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Right click on Profiles object created earlier and select New SIP SGP. A SIP object will appear. Change the ID fro the first field to something other than ID:0. ID:0 is the default SIP profile and the SIP OLI cannot be configured within this default object. See IMG 1010 - SIP Profile - 10.5.3 for more information on configuring this object.
Right click on the SIP SGP object just created and select New SIP from Header Tags. A SIP From Header Tags object will appear. Select 'enable' from the drop down menu. See below.
Create an External Network Element
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Right click on Dialogic IMG EMS and select New External Network Elements. An External Network Elements pane will appear. No configuration is accomplished in this pane. This pane is a placeholder for multiple Network Elements to be created beneath it. See IMG 1010 - External Network Elements object for more information.
Right Click on External Network Elements object created and select New External Gateways. An External Gateways pane will appear. again this pane is a placeholder from multiple External Gateways. No configuration is needed. See IMG 1010 - External Gateways for more information.
Right Click on the External Gateways object and select New External Gateway. A screen like below will appear.
- Enter a name to identify the gateway that IMG will communicate with using ISUP-OLI
- Select SIP under the Gateway Signaling Protocol field- Enter IP Address of the Gateway the IMG will communicate with
- Select the SIP SGP Profile that was created earlier. This profile has the ISUP-OLI configured in it.
For more information on the SIP SGP object see IMG 1010 - SIP Profile - 10.5.3
At this point the ISUP-OLI is configured on the IMG. The next step will be to set up the routing so that the specific channel groups are configured to route from ISDN to the External Network element configured above. See any of the multiple topics that describe the routing process. The following two links below are a good starting point.
IMG 1010 - Overview of Routing
IMG 1010 - Configuring Routing