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Method and device for call handling

A technology for processing calls and establishing calls, applied in the field of communication networks, can solve problems such as automatic detection or inference of the IMS core network that is not described, and achieve the effects of improving success rate, great flexibility, and protecting privacy

Inactive Publication Date: 2012-11-07
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the presentation service focuses on the notification of the called state. These states are known and determined by the called user. It does not describe how the IMS core network automatically detects or infers the state of an entity.

Method used

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  • Method and device for call handling
  • Method and device for call handling

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Embodiment Construction

[0031]First, several concepts used in the present invention are explained. In this article, the status of end users is divided into the following three types:

[0032] Available: It means that other users can successfully establish communication with this user in a timely manner, including through calls and text messages, and there will be no situations such as call unanswered, call rejected, and text messages not replied in time.

[0033] Only SMS available: When the status of the end user is "SMS only available", the end user suggests other users to establish communication with them via SMS instead of calling. At this time, the terminal user may be in an inconvenient state to answer or make a call, for example, in the middle of a meeting. When other users call the terminal user, the call may not be answered or the call may be rejected.

[0034] Unavailable: It means that other users cannot successfully establish communication with this user in time, including through calls ...

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PUM

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Abstract

The invention provides a method for call handling. The method for call handling includes that an application server on a calling party side monitors a call initiated to a user in a current district, and when a failed call is monitored, the application server on the calling party side positively transmits a subscription request to an application server on a called party side so as to subscribe the called state; and the application server on the called party side monitors user events in the district thereof, positively reckons the called state according to the monitored events and informs the application server on the calling party side of the called latest state. Therefore, a calling party can know the state of a called party timely and accurately, and the communication establishment success rate can be increased. Moreover, the called party can have different states for different calling parties. Different from the prior art, the method has the advantages that a core network can reckon the state of the user positively and timely rather than passively waits for notices of the user, and more states can be provided, so that more information can be provided.

Description

technical field [0001] The present application relates to a communication network, in particular to a method and device for processing a call. Background technique [0002] When the calling user calls the called user, it often happens that the connection cannot be made, for example, the called user is not powered on, is in the middle of a call, is inconvenient to answer, or the called user does not carry a mobile phone. If the calling user has an emergency, they usually try again and again until the called party answers or passively waits for the called party to call back. However, sometimes it is inconvenient for the called user to answer, for example, they are in a meeting, or they fail to call back the caller in time afterwards, or fail to find out the missed call in time, etc., resulting in the calling user being unable to successfully call the called user. These are the situations that the call fails because the calling user does not know the current status of the call...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/14H04W4/16H04W68/00H04W76/00H04L29/06
Inventor 星芸鹏刘群
Owner ALCATEL LUCENT SAS
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