Use the SIP Subscription Count Statistics window to monitor SIP relayed subscription count statistics for the node.
From the SBC main screen, navigate to Monitoring > Trunks and Subscribers > Registration > SIP Subscription Count Statistics. The SIP Subscription Count Statistics 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 Subscription Count Statistics Status can be checked for each Address Context or for all the Address Contexts and Zones created. Use the drop-down box to select the desired Address Contexts and Zones.