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Interworking of incoming SIP messages containing a SIP Reason header is configured with the Incoming Reason Header Cause Code field in the SIP Profile - Advanced Settings object
Call Tracing
You can enable Call Tracing on the IMG 2020. Once this is accomplished all Reason Header information will be printed out for the messages displayed above. Below are Call Flows and their corresponding Call Traces. For reference purposes, the Reason Header field is displayed in red.
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