Customized SIM COS/EUICC/M2M COS (Card Operating System)

Specification:

COS, independently developed by TONSIM, is a high-se- curity, high-performance, low-power telecom
SIM card/M2M/eUICC operating system developed based on mature UICC standards and conforms to international standards such as ISO, Oracle Java Card, GlobalPlatform, 3GPP and ETSI. Security algorithms such as DES, AES, SHA, MD5, and RSA can be widely used in various industries such as mobile communication networks,the Internet, and the Internet of Things.

COS is highly modular and supports telecom functions such as SIM, USIM, ISIM, RAM, RFM, BIP, CAT-TP, TLS, S@T, etc. It can be flexibly configured to conform to the UICC standard (U)SIM card, security token, TPM modules, etc., quickly respond to order needs. COS supports the secure download,instal- lation and deletion of multiple applications, which can fully meet the various personalization needs of telecom operators.
Product quality has been well received by customers through various rigorious internal testing, testing agency certification,and the actual experience of users around the world.

System functions
Control the exchange of information between smart cards/Module and the outside world,
Manage the memory in the smart card/Module and complete the processing of various commands inside the card.

System Features
Specificity ,COS is a dedicated system rather than a general purpose system, As a COS system.
COS is only used in SIM cards/Module in the field of communication, which is different from other COS.
Safety, due to the proprietary nature of COS, it is highly secure.

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