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Use this window to work with Visited Public Land Mobile Network (VPLMN) ID objects. VPLMN IDs are created within VPLMN profiles. In networks supporting the S8 Home Routing (S8HR) roaming model, calls from users identified as outbound roaming users are processed so that any emergency calls are handled by the visited network rather than the home network. User location information for a call (the PLMN ID) is compared against the IDs configured in VPLMN profiles and Home Public Land Mobile Network (HPLMN) profiles to determine whether the user placing the call is an S8HR outbound roaming user. If the PLMN ID for the user matches an ID configured in the VPLMN ID profile, the user is identified as an S8HR outbound roaming user. 

 Refer to Emergency Call Handling for the Roaming Users in S8HR Model for more information.

To View VPLMN IDs

On the SBC main screen, go to All > Profiles > Services > Vplmn Profile > Vplmn ID. The Vplmn ID window opens with the IDs for all VPLMN profiles listed.

Vplmn ID Window

To Create a VPLMN ID

You must associate each VPLMN ID with a specific VPLMN profile. The option to create an VPLMN ID only becomes available after you select a profile. A maximum of 512 VPLMN IDs can be created under one VPLMN profile.

To create a new VPLMN ID:

  1. In the Vplmn Profile list, select the VPLMN profile to which you want to add the ID.

  2. Click New Vplmn ID. The Create New Vplmn ID window opens.

    Create New Vplmn ID Window

  3. In Vplmn ID Entry, enter a 3, 5, or 6 digit ID number that is the Mobile Country Code (MCC), or a combination of the MCC and Mobile Network Code. 
  4. Click Save.

To Delete a VPLMN ID

To delete an existing VPLMN ID object:

  1. Click the radio button adjacent to the VPLMN ID you want to delete.
  2. Click the red X at the end of the row.
  3. Confirm the deletion when prompted.
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