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Fixed telephone having SIM card read-write function

A fixed-line, functional technology, applied in the field of communication, can solve the problems that fixed-line phones do not support Chinese, inconvenient operation, high cost, etc., and achieve the effect of low product cost and simple and convenient operation

Inactive Publication Date: 2005-04-13
HANVON CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most fixed-line telephones do not support Chinese, nor do they provide the function of storing business cards and short messages similar to mobile phone SIM cards. The card reader and a PC are used as the intermediary medium to exchange business cards and short messages between each other. First, use the SIM card reader to read the business cards and short messages in the SIM card of the mobile phone to the PC, and then Transmit from PC to phone via RS232 or USB, which is inconvenient and expensive

Method used

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  • Fixed telephone having SIM card read-write function
  • Fixed telephone having SIM card read-write function
  • Fixed telephone having SIM card read-write function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] In the diagram of the interface relationship between the fixed phone and the SIM card in Figure 1, the fixed phone has a card slot that complies with the GSM11.11 standard SIM card. The SIM card can be directly inserted into the fixed phone to realize the fixed phone and the SIM card of the mobile phone. Business card and SMS data exchange.

[0016] According to the ISO7816-2 standard, the location and size of the 8 contact points of the IC card (integrated circuit card) are given in the figure of the location of the 8 contact points of the IC card specified in the ISO7816-2 standard in Fig. 2.

[0017] According to the specific requirements of the ISO7816-2 standard, ETSI (European Telecommunications Standards Institute) has formulated the GSM 11.11 standard, which stipulates the plug-in SIM card (Plug -in SIM) size and the specific positions and definitions of the 8 contact points C1~C8: C1 is the power supply VCC, the working range is 4.5V~5.5V, C2 is the reset, C3 is th...

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Abstract

A fixed telephone with SIM card read and write function can realize interchange of name card and short message dada between it and cell phone SIM card directly based on GSM11.11 standard only without the help of any medium, such as special SIM card reading device and PC. This telephone has the following technological key points: applying SIM card jack meeting the GSM11.11 standard at hardware and applying transmission protocol meeting the GSM 11.11 standard at software to use SIM card read-write technology to read-write registers of the part or total name cards and short message into the name-card book and short message set of fixed phones or write registers in fixed phone into SIM of cell phones.

Description

Technical field [0001] The invention relates to a fixed telephone with a SIM card reading and writing function, which belongs to the communication field. The invention can not assist any intermediate media, such as a special SIM card reader, PC, etc., only according to the GSM11.11 standard, it can directly realize the mutual business card and short message data between the fixed phone and the mobile phone SIM card. Exchange, that is, the fixed phone can directly read the business card and short message records from the mobile phone SIM card and store them in the phone business card book and short message group; or write the records in the fixed phone business card book and short message group directly to the mobile phone SIM Card. Background technique [0002] SIM card (Subscriber Identity Module), namely subscriber identification card, is a "smart card" that complies with GSM (Global System for Mobile communications) specifications. The SIM card can be inserted into any mobile ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/00H04M1/26H04M3/42
Inventor 刘迎建王清云何宇新石践郑志华刘大勇陈秀华
Owner HANVON CORP