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When the Calling Party Information Retrieval feature is enabled, if the IAM received from the SS7 side does not contain a Calling Party Number -or- the Calling Party Category is set to unknown the IMG will send an INR (Information Request) back to the SS7 network requesting the Calling Party Number and/or the Calling Party Category. Once the SS7 side receives the INR, it will send back an INF (Information Message) with the requested parameters. The IMG then receives the parameters and uses this information along with the information in the original IAM to generate an INVITE message to the SIP or H.323 network which includes the additional parameters.
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Right click on the Routing Configuration object and select New Channel Groups. The Channel Groups object is a container or parent object. No configuration is needed within this object. For more information, refer to the IMG 1010 - Channel Groups topic.
Right click on Channel Groups object and select New Channel Group. Set the Signaling Type field to either SIP or H.323. and enter a name for this channel group.
Select Enabled from the drop down menu in the CPN/CPC retrieval via INR/INF field. Refer to screen capture below. The capture displays the last few fields of the Channel Group object
Refer to IMG 1010 - Channel Group topic for more information on configuring a SIP Channel Group.
Right click on the SIP or H.323 channel group created and select New IP Network Element. Select the H.323 or SIP gateway created earlier from the drop down menu in the IP Network Element field.
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