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Method and device of automatic redial of call

An automatic redial and redial technology, which is applied in subscriber special services, electrical components, connection management, etc., can solve the problems of inability to improve the call success rate, inability to solve the inconvenience of call failure, and affect user perception, so as to improve the success of voice calls efficiency, improve user perception, and alleviate inconvenience

Active Publication Date: 2014-10-01
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0005] In the prior art, there are some solutions to improve the call success rate. For example, after the call fails, it will prompt on the call interface whether to redial, or directly display that the redial is in progress; however, the biggest defect of this solution is that it affects the user's perception. Because the user's focus is on the final result of the call, not on the redialing process
Another solution is that when a call fails, the call ends in failure, and at the same time, the CP layer performs cell selection and switches to the cell that it thinks has a stronger signal through comparison. The purpose of this solution is to improve The success rate of the next call; however, the disadvantage of this scheme is: firstly, it cannot solve the inconvenience caused by the failure of this call, and secondly, the CP layer only considers the signal strength as a cell preference scheme, which still cannot improve the call success rate. Hidden dangers

Method used

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  • Method and device of automatic redial of call
  • Method and device of automatic redial of call
  • Method and device of automatic redial of call

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] In the general voice call process, after the RIL layer receives the voice call request message from the framework layer, it will convert the received request message into an AT command recognizable by the CP layer and send it to the CP layer; The call situation makes an AT response to the command issued by the RIL layer and reports it to the RIL layer. Under normal circumstances, the AT response reported by the CP layer can effectively indicate the current voice call status; the RIL layer then converts the AT response of the CP layer into the corresponding indicated voice The call status message is reported to the framework layer, and finally the framework layer transmits the voice call status message to the relevant application program interface for the application program to call, so that the application program can know the result of the voice call.

[0032...

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Abstract

The invention discloses a method of automatic redial of a call. The method comprises the following steps of: detecting a call state and investigating a reason value for call failure; when the community optimization is determined to need, carrying out community optimization according to an investigation result, and connecting a mobile terminal into an optimized community and redialing; and redialing in the current resident community when the community optimization is not needed. The invention also discloses a device of automatic redial of the call; by adopting the device, the non-perceptible automatic redial of the call of a user can be completed after the call failure, so that the success rate of a voice call is increased and the user perception of the mobile terminal is improved.

Description

technical field [0001] The invention relates to a mobile terminal wireless network access technology, in particular to a method and device for automatic call redialing based on an Android system. Background technique [0002] Android is an open source operating system based on Linux, which is mainly used in portable mobile terminals. Mobile terminals based on the Android system basically adopt the system architecture of AP+CP, in which AP is the application layer, which is related to the upper-layer application; CP is the communication layer, which is responsible for the communication of telecom service network messages. The AP layer can be divided into application program layer, application program framework layer, and radio interface layer (RIL) from top to bottom; among them, the application program layer involves the development of application programs; the application program framework layer can be referred to as the framework layer, responsible for The system provides...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/16H04M3/424
CPCH04W76/027H04W76/18
Inventor 刘少华
Owner ZTE CORP
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