Services for OEMs and EUMs

Device Information Services

Essential identification for connected devices

TAC Allocation

The device identification system for all connected devices

eSIM Services

Supporting your eSIM investment

GSMA eUICC Identity Scheme

Provides each eUICC manufacturer with a unique 5 digit identity code to form the first part of the 32 digit EID

GSMA eSIM Discovery

The industry-endorsed, seamless and interoperable remote-activation method for eSIMs

GSMA eUICC Security Assurance

Instilling confidence that eUICC chipsets have reached rigorous industry security standards

Fraud Prevention & Security Services

Protect your devices against costly fraud

GSMA Device Registry

Empowering mobile operators and manufacturers to block stolen devices and reduce crime

GSMA NESAS

The global network equipment security assurance scheme that gives 5G more resilience

GSMA Security Accreditation Scheme (SAS)

SAS enables mobile operators, regardless of their resources or experience, to assess the security of their UICC and eUICC suppliers, and of their eUICC subscription management service providers

GSMA eUICC Security Assurance

Instilling confidence that eUICC chipsets have reached rigorous industry security standards

Network & Interconnect Services

Make sure your devices work properly on networks

GSMA Network Settings Exchange

Give your subscribers a better experience, with services that run as smoothly as possible

GSMA Interoperability Testing

The new industry-standard tests demonstrate that VoLTE works on selected networks and devices