China Mobile and NTT DoCoMo develop multi-vendor eSIM system

Image credit: korawat thatinchan / Shutterstock.com

China Mobile and NTT DoCoMo announced that they have jointly developed what they claim is the world’s first multi-vendor eSIM (embedded SIM) system within their commercial IoT environments.

Based on the GSMA’s Remote Provisioning Architecture for Embedded UICC3.1 (GSMAv3.1) standard, the system enables interoperability between the two operators’ eSIM systems, which use different vendors’ subscription management platforms.

Previously, for different cellcos to reprogram the same eSIM, they had to adopt the eSIM system of the same vendor. The new multi-vendor eSIM system incorporates subscription management platforms of two different vendors – one by G+D Mobile Security (which DoCoMo uses) and the other by Gemalto (which China Mobile uses).

China Mobile and DoCoMo have been jointly developing IoT technologies and related business based on a strategic cooperation framework agreement. The new multi-vendor eSIM system is one of the results of this agreement.

Going forward, China Mobile and DoCoMo will continue developing services to enable corporate customers’ products exported from Japan to China, such as automobiles, industrial equipment and agricultural machines, to smoothly switch from a Japanese carrier to Chinese carrier without replacing their SIMs.

The new multi-vendor eSIM system for IoT will be demonstrated at China Mobile’s booth during Mobile World Congress Shanghai this week.

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