Product

IMSI Manager Module.

Dynamic IMSI management services for your subscription management.

The most utilized traditional solution is a Multi IMSI SIM applet – where numerous subscriptions (characterized by, at least, a specific IMSI value) are pre-loaded at card personalization while applet logic selects the most appropriate subscription depending on a location.

Such a pre-loaded stand-alone Multi IMSI applet solution is quite effective, but has a few drawbacks, two of these being quite important:

Newly acquired sponsored subscriptions (new IMSI ranges) are only effective for customers with new cards as these will be added to the pre-loaded list.

Each card “locks” all preloaded subscriptions during the full card’s lifecycle, with very low utilization levels per subscription.

Some MNOs and MVNOs focus on prompt distribution of new IMSI ranges, some focus on IMSI utilization level increases – while both focus areas lead to requirements towards dynamic OTA management of subscriptions used by a Multi IMSI applet on a card.

In order to meet these challenges, we introduced the IMSI Manager module within our SolvEX Suite. The product manages IMSI values used by a Multi IMSI applet.

It offers high flexibility in sponsored subscription management by defining several subscription attributes, linking rich profile data to each subscription and including numerous configurationally options.

Instant global service footprint

Subscription type can be defined as HOME, GLOBAL and REGIONAL.

Usage of Local tariffs

Location change triggers can be set by country or down to individual MNC.

Optimization

Optimizing the number of used sponsored subscriptions.

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Product Details

As part of OTA Connectivity Suite, the IMSI Manager offers common framework features (provisioning, reporting, etc).

The IMSI Manager module is fully transparent to the end customer. In one specific use case, there is a possibility to have UI on applet side and manually select the desired network to connect.

Use cases are numerous. Let us illustrate one of them: the applet set to connected mode.

  • When abroad, SIM card will register on a networking using the Default Roaming IMSI value. The polling token keyword is sent to the server.
  • The request will be received by the IMSI Manager.
  • The IMSI Manager will fetch the available subscription for the country in question.
    Fetch from local IMSI pool
    Fetch for external IMSI pool
  • The new IMSI will be sent to the applet.
  • The applet will be updated and the new IMSI value taken into use.
  • The connection between the ICCID and the newly added subscription will be passed to the external billing system by means of a dedicated Subscription API.

Solution’s Benefits

Attributes

Subscription type can be defined as HOME, GLOBAL and REGIONAL.
Priorities between home and global subscriptions can be applied.
Location change triggers can be set by country or down to individual MNC.

Subscription Data

From only IMSI to IMSI including keys, algorithms, and MSISDN.
Stored internally or externally with our customer or the third party.

Profile Data

A subset of profile data, including, but not limited to, PLMN list, FPLMN list, SPN, SDN, ADN and SMSCP is dedicated to each sponsored subscription.

Applet Modes

Stand alone – for prompt distribution of new/updated sponsor agreements.
Connected for on-the-fly subscription deployment and release.

Configuration (applet)

What mode shall applet work in? Shall HOME be used abroad? Where? What to do when no coverage? And numerous other configurationally options.

Subscription Sources

Product is open for a model where Valid customers can offer their IMSI ranges to be used by other Valid customers.

Product Operations and Administration

Designed around typical roaming manager tasks
Entering new agreements
Updating agreements
Removing agreements

Product Usage

Directly – by the product GUI
Remotely – over the dedicated API
Automatically – for Connected mode

Product Reporting

Viewing allocated and available subscriptions.

Capabilities

Learn more about our IMSI Manager module specifications.

Instant global service footprint.
Usage of Local tariffs.
Optimizing the number of used sponsored subscriptions.
Higher QoS while in roaming.
Can be offered cheaper roaming plans.

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