Method and apparatus for implementing presence

A service and service request technology, applied in the field of communication, can solve the problems of inability to interact with the Presence server and the mobile network does not support the SIP protocol, and achieve the effect of meeting the needs of presenting services

Inactive Publication Date: 2009-04-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that in the prior art, the mobile network does not support the SIP protocol, therefore, the mobile network user cannot communicate with the Presence directly through the SIP protocol. server to interact

Method used

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  • Method and apparatus for implementing presence
  • Method and apparatus for implementing presence

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Embodiment Construction

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] In order to facilitate the understanding of the technical solutions of the embodiments of the present invention, first, a brief description of USSD (Unstructured Supplementary Services Data) involved in the following embodiments is given.

[0034] USSD is defined as a mechanism for transferring information and instructions between mobile stations and network applications, which can pass through the home location register (HLR). It provides mobile communication users with a text-based interface for managing users' services. For example, if the user enters on the mobile phone and sends "**21*1234567#SEND" to the network, all incoming calls of the user will be transferred to the number 1234567. Both USSD and short message service (SMS) are transmitted through t...

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Abstract

The embodiment of the invention discloses a method used for realizing presence business. The method comprises the steps as follows: an USSD server receives an USSD business application from a mobile station; the USSD server sends a presence business application to a presence server according to an business code in the USSD business application; and the USSD server receives response returned by the presence server and sends the response to the mobile station by the form of an USSD business message. The embodiment of the invention also provides an USSD server, a VLR and an HLR. The embodiment of the invention realizes the interaction of the mobile station and the presence server in a mobile network and satisfies the requirement of the mobile network user towards the presence business.

Description

Technical field [0001] The present invention relates to the field of communications, in particular to a method for realizing a presence service, a USSD server, a VLR and a HLR. Background technique [0002] The presence service (Presence Service) is a communication method based on the SIP protocol. According to certain access criteria, the presence information of the user (presentity) is obtained in real time, for example, the status, mood, communication ability and other information of the presentity, and displayed to others The business of the user (the observer), so that the observer can choose an appropriate communication method or time to communicate with the presenter. [0003] The main functional entity that implements the presence service in the network is the presence server. The main functions include: storing presence user account information, processing presence user registration, login and various operation applications, and accepting presence user status notificatio...

Claims

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Application Information

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IPC IPC(8): H04W80/10
Inventor 冯继东朱浩鹏李小金
Owner HUAWEI TECH CO LTD
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