Trusted Connectivity Alliance updates eSIM specification to help safe IoT distant SIM provisioning


Trusted Connectivity Alliance has launched Model 3.3 of its eUICC Profile Bundle: Interoperable Format Technical Specification (Interoperable Profile Bundle Specification). The brand new model of the specification contains main updates to help the distant loading of eSIM profiles onto network-constrained IoT units, in addition to full alignment with 3GPP Launch 17 to allow enhanced 5G performance and rising use-cases. It additionally contains clarifications and steering to additional promote eSIM interoperability. 

TCA’s Interoperable Profile Bundle Specification which is utilized in each eSIM deployed within the area standardises the format used for the distant loading of subscriptions onto eSIMs throughout deployed units. This allows cellular operators to load interoperable connectivity profiles in an eSIM, whatever the SIM vendor. 

A key replace in Model 3.3 is the definition of a ‘light-weight’ IoT minimal profile to handle the rising problem of remotely managing network-constrained IoT units. This makes it doable to provision a profile even when bandwidth may be very restricted, which is essential to supporting the rising use of eSIM expertise to allow varied IoT use-cases and connectivity companies. In an necessary trade improvement that may additional promote worldwide eSIM interoperability, Model 3.3 is referenced in GSMA’s newly launched eSIM for IoT Technical Specification (SGP.32) the devoted, globally-backed distant SIM specification for IoT.

“TCA’s Interoperable Profile Bundle Specification has been foundational to the event of the eSIM ecosystem, serving to allow safe and dependable Distant SIM Provisioning for client and M2M units,” feedback Denis Praca, chair of TCA eUICC Working Group. “As demand for eSIM expertise to allow an unlimited array of IoT use-cases and companies builds, this evolution marks a big milestone that may ship the belief and consistency wanted to advertise innovation and speed up adoption.”

Claus Dietze, chair of the TCA Board, provides, “This newest technical achievement is a transparent reflection of the essential function our organisation performs in bringing collectively main trade stakeholders, shaping the continued standardisation and enhancement of eSIM expertise.” 

The publication follows the discharge of the newest TCA eSIM market information, which revealed vital development within the world adoption of eSIM expertise in 2022. Client and M2M eSIM profile downloads collectively elevated by 135% as stakeholders realised the advantages of versatile connectivity, superior safety and end-to-end digitalisation. Elevated adoption additionally coincided with the rising deployment of eSIM-enabled units to take care of ongoing momentum for eSIM cargo volumes. Shipments reported by TCA members elevated by 13% year-on-year to achieve 382 million models, with TCA additionally estimating the entire accessible market in 2022 at 427 million models. 

The Interoperable Profile Bundle Specification was revealed in 2015 and TCA stays dedicated to its ongoing evolution in shut collaboration with trade companions, together with 3GPP, ETSI, GlobalPlatform and GSMA. TCA additionally develops related take a look at specs which give a globally standardised technique of testing merchandise to make sure the connectivity profile is accurately loaded. 

Different TCA initiatives to advertise consistency throughout the eSIM ecosystem embrace the TCA eSIM Interoperability Service delivered by COMPRION which permits operators to proactively take a look at that their eSIM profiles are suitable with a variety of commercially accessible units previous to deployment.

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