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Method and terminal for realizing emergency call

An emergency call and terminal technology, applied in emergency/dangerous communication services, services based on location information, etc., can solve the problem that the terminal cannot make an emergency call number, the terminal cannot initiate an emergency call normally, and cannot obtain the list of emergency numbers on the network side, etc. question

Active Publication Date: 2020-11-24
CHINA TELECOM CORP LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] Existing emergency call technology relies on the network side to send the configured emergency number list to the terminal, and the terminal temporarily saves the list in the terminal memory, and confirms whether the dialed number is an emergency number in the local area according to the list. The method of issuing the list of emergency call numbers solves the problem of different emergency call numbers in different countries and regions; however, in the case of terminal authentication failure, or a terminal without a card that initiates a call for the first time, the network side will not issue the configured emergency call numbers to the terminal. Emergency call number list, the terminal cannot obtain the emergency number list on the network side, resulting in the terminal being unable to accurately identify emergency call numbers. If the terminal cannot identify emergency calls, the call will have no emergency call identifier and can only be dialed out as a normal call
[0003] Therefore, the existing emergency call technical solutions rely on the emergency call number list issued by the network side, and cannot solve the problem that the terminal cannot normally initiate an emergency call when the network side does not issue the emergency call number list or fails to issue the emergency call list

Method used

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  • Method and terminal for realizing emergency call
  • Method and terminal for realizing emergency call
  • Method and terminal for realizing emergency call

Examples

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Embodiment Construction

[0017] In the existing mobile network emergency call technical solutions, in scenarios such as authentication failure and cardless terminal initial call, the terminal cannot receive the emergency call number list configured on the network side, and cannot accurately identify emergency call numbers based on the list, resulting in emergency calls. The call cannot be initiated normally. Based on the above problems, the inventor proposes a solution on the terminal side. In the case that the terminal does not receive the emergency number list issued by the network side, the positioning data is used on the terminal side, combined with area location identification and a built-in emergency number mapping table. The terminal can accurately obtain and identify emergency numbers, and successfully establish emergency calls.

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawin...

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Abstract

The invention discloses a method and a terminal for realizing an emergency call, relating to the field of mobile communication. The method includes the steps that: the terminal acquires a positioningparameter; the terminal determines an emergency call number list according to the positioning parameter and the correspondence between the positioning parameter and a emergency call number mapping table; and the terminal initiates an emergency call according to the emergency call number list. Therefore, the terminal normally initiates an emergency call even when the network side does not issue theemergency call number list or fails to send the emergency call list.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and terminal for realizing an emergency call. Background technique [0002] Existing emergency call technology relies on the network side to send the configured emergency number list to the terminal, and the terminal temporarily saves the list in the terminal memory, and confirms whether the dialed number is an emergency number in the local area according to the list. The method of issuing the emergency call number list solves the problem of different emergency call numbers in different countries and regions; however, in the case of terminal authentication failure or the first call from a terminal without a card, the network side will not issue the configured emergency call numbers to the terminal. Emergency call number list, the terminal cannot obtain the emergency number list on the network side, resulting in the terminal being unable to accurately identify emergenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/90H04W4/029
CPCH04W4/02
Inventor 冯薇薇
Owner CHINA TELECOM CORP LTD
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