The Call Crankback profile is a table of call release codes which automatically cause the SBC software to attempt to re-route (or “crankback”) the call when a matching code is returned by Egress Signaling. Additional release codes may be added to the table. Any release code that is in the table, including any default code, may be removed from the table. Removing a release code from the table causes the SBC software to return that release code to Ingress Signaling rather than attempting to re-route the call.

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