Dual-card dual-standby mobile phone, communication method and communication system thereof

Abstract

The invention discloses a dual-card dual-standby mobile phone and its communication method and communication system, wherein the dual-card dual-standby mobile phone includes: a single-standby mobile phone body, the single-standby mobile phone body is provided with a card slot; a card tray, The card tray is plugged and fixed in the card slot, and the end of the card tray near the outer side of the single standby mobile phone body is provided with a limit groove; the carrier tape circuit board is installed on the card tray and carried One end of the belt circuit board near the outside of the single standby mobile phone body is provided with a mounting part for installing the control chip and the chip of the second SIM card, and the other end is protruded with a plurality of bumps that can be electrically contacted with the first SIM card; the control chip, The control chip is installed on the carrier circuit board, and the control chip can be in electrical contact with the chips of the first SIM card and the second SIM card respectively. The technical scheme of the invention can realize the dual-card dual-standby mode of the single-card slot mobile phone under the premise of ensuring the safety performance of communication and saving power.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a dual-card dual-standby mobile phone, a communication method and a communication system thereof. Background technique [0002] At present, most of the mobile phones on the market are single-slot mobile phones, which cannot directly meet the requirements of users with two or more SIM cards and multiple numbers. You can only use additional mobile phones to maintain the use of two mobile phone numbers or use dual-card dual-standby mobile phones. . The technologies for realizing dual-card dual-standby of mobile phones in the prior art are listed below. [0003] 1. Thin-film SIM card technology, a thin-film SIM card is covered and pasted on the contact surface of the original SIM card, so that it can be used for switching between two numbers, but the thin-film SIM card cannot realize dual-card dual-standby, and can only switch SIM cards , the mobile phone can only be on stand...

AI Technical Summary

Problems solved by technology

[0003] 1. Thin-film SIM card technology, a thin-film SIM card is covered and pasted on the contact surface of the original SIM card, so that it can be used for switching between two numbers, but the thin-film SIM card cannot realize dual-card dual-standby, and can only switch SIM cards , the mobile phone can only be on standby with one number at any time

[0004] 2. One card with multiple numbers technology, store multiple sets of security keys in a standard SIM operating system, achieve the function of one SIM card with multiple numbers, switch and use in the mobile phone menu; although a single SIM is realized in the physical appearance card requirements, but affects the security of the operator's SIM card key

In order to implement this method of one card with two numbers, it is necessary to decrypt the security keys of the original SIM cards of the two operators by abnormal means. These highly sensitive security keys cannot be easily obtained, even if they are obtained, it will be very difficult for the user. It is a serious safety hazard; and this product can only be switched to use, and the mobile phone can only be on standby with one number at any time

[0005] 3. In the SIM bluetooth card adaptation technology, the bluetooth function of the mobile phone itself is connected to the SIM card bluetooth adapter, and the app program running on the mobile phone is used to contact the authentication server through the Internet access capability provided by the SIM originally inserted in the mobile phone, and control The SIM card inserted in the Bluetooth SIM card adapter runs the authentication command, sends the authentication result to the remote authentication server to log in to the network, and then forwards the voice call and SMS to the APP program to achieve dual card dual standby. This solution requires the user to Carrying a SIM card Bluetooth adapter with you requires additional power supply, charging and carrying burdens, and it occupies the Bluetooth channel of the mobile phone. The mobile phone can no longer use other Bluetooth devices such as Bluetooth headsets. Once the Bluetooth communication is disconnected, it will no longer be able to answer or dial and send and receive text messages.

Moreover, the SIM card inserted in the adapter can no longer realize the data Internet access function, only voice and text messages, which cannot meet the user's Internet access needs.

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