Enable IMSI Filter | Select to turn on IMSI filtering. |
Default IMSI Action | Select Allow or Deny. This action will be applied to all IMSI numbers except as indicated in the IMSI list that is displayed. The default value is Allow. |
APN | The Access Point Number (APN) to filter on. This field is optional. |
MCC-MNC | The Mobile Country Code (MCC) and Mobile Network Code (MNC) to filter on. Together these numbers uniquely identify the carrier and network of the GGSN being used. This field is optional. |
Mode | Select the source of the IMSI information as one or more of the following: Mobile Station provided - the IMSI number comes from the mobile station the mobile device is connecting to. Network provided - the IMSI number comes from the GPRS network which could be a number of sources such as the SGSN, or HLR. Subscription Verified - the IMSI number comes from the user’s home network which has verified the information. While Subscription Verified is the most secure option, it may not always be available. Selecting all three options will ensure the most complete coverage. |
Action | Select the action to take when this IMSI information is encountered. Select one of Allow or Deny. |
Delete Icon | Select the delete icon to remove this IMSI entry. |
Edit Icon | Select the edit icon to change information for this IMSI entry. |
Add IMSI | Select to add an IMSI to the list. Not active while creating GTP profile, only when editing an existing GTP profile. Save all changes before adding IMSIs. A warning to this effect will be displayed when you select the Add IMSI button. |