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Method for processing voice service affair of mobile communication data terminal

A data terminal and voice service technology, applied in the field of mobile communication, can solve the problems of reduced usability and inability to switch states, and achieve the effect of clear processing

Inactive Publication Date: 2007-10-31
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the call in the circuit domain, there is no special AT command to deal with the situation where the other party actively releases the link, but it is treated as the return value of the ATD command for establishing the link. However, this will cause data The terminal device will wait for the return of ATD during the connection process, so operations such as state switching cannot be performed well, reducing usability

Method used

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  • Method for processing voice service affair of mobile communication data terminal
  • Method for processing voice service affair of mobile communication data terminal

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Embodiment Construction

[0012] Figure 1 is a connection diagram of data terminal equipment and data communication equipment; module 1 in the figure is data terminal equipment, module 3 is data communication equipment, and data terminal equipment and data communication equipment interact through AT commands (2). Module 5 is the actual mobile network, and module 3 data communication equipment interacts with the network through the air interface (4).

[0013] Fig. 2 is a flow chart of the present invention. An AT command is pre-defined, such as HANGUP, and the AT command is reported to the data terminal equipment to notify the terminal equipment that the link has been disconnected.

[0014] When the data terminal equipment receives the AT command, it knows that a call has been disconnected. However, if it is a multi-party call, we cannot clearly know which party hung up the phone. In order to solve the problem of identifying the hang-up party in a multi-party call, we have extended this command and add...

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Abstract

A method to process the voice business event of mobile communication data terminal is disclosed, it defines an extended AT command which is used to mark the received hook event; the data communication device adds the connection information on the calling list; when receives the disconnection event, the data communication device inquires the calling serial number of disconnection from the stored calling list, and forms a new command with the extended AT command, and sends it to the data terminal; after the data terminal receives the command, by analysis the command, the information the corresponding user has disconnected with the network can be known according to calling serial number, and switches the present state. The invention generates a new command by expansion, which is used to inform the information of disconnection of terminal device by the data communication device, and the disconnected calling user can be switched timely. It can make the voice event more intelligible and terse.

Description

Technical field: [0001] The invention relates to the technical field of mobile communication, in particular to a method for processing circuit domain voice service events using an AT interface of data terminal equipment in mobile communication. Background technique: [0002] With the development of wireless communication technology, various wireless products such as wireless network cards are increasingly widely used. Many products use AT interface commands for communication interface between data terminal equipment (DTE) and data communication equipment (DCE). "Data terminal equipment" refers to the type of data processing equipment with an easy-to-operate man-machine interface (or keyboard), such as a PC. "Data communication equipment" refers to the type of equipment that establishes, maintains or terminates a data link, such as a wireless network card. [0003] In the 3GPP protocol, there is a special part for defining AT commands. However, for the call in the circuit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/32H04M3/56H04M3/58H04Q7/38H04W4/16H04W88/02H04W92/08
Inventor 舒娟媚
Owner ZTE CORP