Use SIP Deleted Register Status window to view status of deleted SIP registrations for a list of SIP endpoints.
From the SBC main screen, navigate to Monitoring > Trunks and Subscribers > Registration > SIP Deleted Register Status. The SIP Deleted Register Status window displays.
By default only ten entries are displayed in a view. You can choose the number of entries to be displayed under the Show entries drop down box.
The SIP Deleted Register Status can be checked for each Address Context or for all the Address Contexts created. Use the drop-down box to select the desired Address Context.