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Register (EIR)

Protecting subscribers and networks from fraudulent and stolen mobile devices.

Equipment Identity Register

Protect your subscribers and amplify your value proposition

With the ever-growing proliferation of smartphones in the market, it becomes imperative to establish robust security measures. In response to this pressing need, an increasing number of countries are now mandating the implementation of Equipment Identity Register (EIR) as a nationally recognized security method.

By adhering to the most stringent homeland security requirements, you can empower your network to seamlessly determine whether to allow or block a device, thereby effectively thwarting unauthorized access. Furthermore, EIR serves as an invaluable tool in combating the use of stolen equipment, ensuring that only legitimate devices are granted access to your network. Safeguard your valuable data and protect against potential security threats with the advanced capabilities of our EIR.

Equipment Identity Register

Key Benefits

  • Protect Revenue And Brands
    Preventing stolen, cloned, or unauthorized devices from using the network, which reduce crime, fraud, and revenue loss.
  • Control Access
    Supporting denylists, allowlists, and greylists of devices based on their IMEI, which enable flexible and granular access control policies.
  • Back-office Integrations
    Supporting reporting, notification, and provisioning functions, which facilitate network management and customer service.

  • Data Sources
    Supporting of real-time IMEI checks across local and external data sources, which improve the accuracy and efficiency of device authentication.
  • Network Compatibility
    Supporting 2G, 3G, 4G, 5G, and IT interfaces, which ensure compatibility and interoperability across different network technologies.
  • High Performance
    Supporting high capacity, scalability and performance, which can handle thousands of device records and transactions per second.


If you're eager to learn more about our Equipment Identity Register, simply request a brochure and we'll promptly send it your way.

Equipment Identity Register


  • Flexible Deployment Options
    EIR offers the flexibility of choosing between Cloud or On-Premise deployments, catering to your specific needs and preferences.
  • Interface for Remote Access
    EIR offers flexible REST and SOAP APIs for seamless remote management of the Allow, Grey, and Deny lists.
  • Central-EIR Integration
    GSMA managed Central-EIR (C-EIR) is an international, centralized repository of IMEI statuses which operators are able to access to get deny-listed IMEI lists from other operators.
  • 2G, 3G, 4G and 5G Compatible
    When connected to legacy networks EIR tracks MAP CHECK-IMEI messages. On 4G & 5G networks EIR integrates with the IMS network on the Diameter S13 interface.
  • Configurable Allow, Deny and Grey Listing
    A Grey-listed IMEI code can be classified as either a deny-listed or grey-listed device, based on the operator's configuration preferences.
  • Core Network Integration
    EIR seamlessly integrates into essential core network systems like MSC, SGSN, and MMS, enhancing its compatibility and functionality.
Equipment Identity Register


What is an Equipment Identity Register?

An Equipment Identity Register (EIR) is a powerful software tool designed to authenticate and regulate the access of mobile devices to networks. By effectively blocking stolen, cloned, or unauthorized devices, it acts as a frontline defense against crime, fraud, and financial losses.

The EIR goes beyond a simple security measure, offering a wide range of functions and features. It allows operators and regulators to implement flexible and precise access control policies, ensuring enhanced accuracy and efficiency in device authentication. Moreover, it guarantees seamless compatibility and interoperability across different network technologies, facilitating seamless network management and exceptional customer service. Not only that, but it also plays a vital role in detecting and preventing the fraudulent practices of IMEI cloning and SIM box fraud.

With an Equipment Identity Register in place, operators and regulators can safeguard their networks with confidence, knowing that only authorized and legitimate devices are granted access, ultimately providing a secure and seamless mobile experience for all users.

How does the MME / SGSN check equipment identity?

The MME/SGSN examines the equipment identity by dispatching a Mobile Identity Check Request (MICR) to the Equipment Identity Register (EIR) through the S13 interface. Within the MICR, the International Mobile Equipment Identity (IMEI) number of the device trying to connect to the network is included. Subsequently, the EIR cross-validates the IMEI number against its database and promptly sends back a Mobile Identity Check Answer (MICA) to the MME/SGSN. This MICA holds the device's equipment status, providing valuable insights.

What are the various device statuses?

  • Allowlisted
    The device is allowed to access network services.
  • Denylisted
    The device is reported as stolen or lost and is denied access to network services.
  • Greylisted
    The device is faulty or has some issues and is allowed to access the network services with some restrictions.



Interested to know more about Equipment Identity Register?

Allow us to assist you in safeguarding your subscribers, networks, and brands from the threat of stolen and fraudulent mobile devices.

Reach out to us today to discover how we can provide you with the necessary support and protection.