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Overview:
The Originating Line Information parameter conveys information about the originator of a call. Initially, the IMG supported inter-working the ISUP-OLI parameter when passing information from SS7 to SIP and SIP to SS7. F-5117 'Support ISUP-OLI for ISDN-SIP call' adds support when inter-working the ISUP-OLI parameter from ISDN-SIP and SIP-ISDN. When inter-working the ISUP-OLI parameter from ISDN to SIP, the ISUP-OLI parameter is added to the From: Header in the SIP INVITE message. When inter-working the ISUP-OLI parameter from SIP to ISDN, the ISUP-OLI parameter is added to the SETUP message on the ISDN leg. Below explains what is supported and how it is configured.
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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.
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