Use SIP Deleted Register Name Status window to view a list of deleted SIP Register Domain Names for a list of SIP endpoints.
From the SBC main screen, navigate to Monitoring > Trunks and Subscribers > Registration > SIP Deleted Register Name Status. The SIP Deleted Register Name 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 Name 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.