Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizen Xiao Zhan for the clue delivery! CTOnews.com February 25 news, Beijing Xiaomi Mobile Software Co., Ltd. applied for a "one-card multi-number-based communication method, device and medium" patent has been granted recently.

The summary shows that this paper discloses a communication method, a device and a medium based on one card and multiple numbers, wherein the communication method applied to a card and multiple numbers terminal includes: sending a network registration request to a network side device, the network registration request carries a plurality of numbers of an international mobile user identification IMSI; corresponding to the card multi number terminal; establishing a wireless resource control RRC link with the network side equipment Services with the plurality of numbers are processed in the one RRC link.

In this paper, multiple numbers in the same SIM card implement the same registration process and establish the same network link, so that multiple numbers share registration resources and network link resources, and there is no need to separately implement the registration process and build network links for each number, which can effectively save network empty port resources, baseband resources and radio frequency resources on the terminal side, and save terminal power consumption.

CTOnews.com Note: the International Mobile subscriber Identification number (IMSI:International Mobile SubscriberIdentification Number) is used to distinguish different users in cellular networks and is not duplicated in all cellular networks. Its total length is no more than 15 digits, and the number 09 is also used. Among them, MCC is the country code to which the mobile user belongs, accounting for 3 digits. MCC in China stipulates that 460 MCC is the mobile network number, which is composed of two digits at most, which is used to identify the mobile communication network to which the mobile user belongs. MSIN is the mobile user identification code, which is used to identify the mobile user in a mobile communication network.

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