Method to implement calling present service of multimedia information

A technology of multimedia information and implementation methods, which is applied in the field of realizing calling presentation services, can solve problems such as not being provided, and achieve the effect of enriching methods

Active Publication Date: 2008-05-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The prior art does not provide the technology to bring the calling party's multimedia informa

Method used

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  • Method to implement calling present service of multimedia information
  • Method to implement calling present service of multimedia information

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The calling presence service of the present invention is realized in the AS and belongs to the calling service. Since the AS handles the NGN network and the IMS network in a similar manner, the IMS network is used here for illustration. The calling user signs the calling presence service on the Home Subscriber Server (HSS for short), and sets the multimedia presence information that the calling user will present to the called user on the AS. When the calling user initiates a call, the Serving-Call Session Control Function (ServingCSCF, S-CSCF for short) unit judges and triggers the calling presence service to the AS, and the AS is responsible for the processing of the service logic. The calling presence service of the AS adds support for early media in the call and sends it to the S-CSCF; the S-CSCF routes the call to the call...

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Abstract

The invention discloses a method for realizing the service of calling display for multimedia information, which includes the following steps: first, a calling user originates a calling; a called user confirms that the calling user supports function of an early media according to a head field value on an SIP protocol; the called user transmits information on the early media to a calling application server (AS); the calling AS receives the information on the called early media and consults with a media on a calling side; then the calling AS returns the consulted information on the early media to the called user and establishes a channel for the called early media; at last, by adopting the established channel for the called early media, the calling AS provides the multimedia information for the called user. According to the method provided by the invention, the called user is capable of seeing the multimedia information from the called user when receiving the calling from the calling user, thus enriching the modes to display the calling.

Description

technical field [0001] The present invention relates to an IP Multimedia Subsystem Network (IP Multimedia Subsystem, referred to as IMS) or a next generation communication network (Next Generation Network, referred to as NGN), to realize the technology of the caller presence service, especially relates to a session initiation protocol based ( A method for implementing a caller presence service of multimedia information by an application server (Application Server, AS for short) of the Session Initialization Protocol (SIP for short). Background technique [0002] In the IMS environment and other broadband applications, the SIP protocol is the main signaling control protocol, and each network element interacts through the SIP protocol to realize mutual communication and control. The application server AS is an entity that implements service logic control in the IMS network or NGN network, and has the capability of service convergence. Convergence includes both network converg...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L29/08
Inventor 秦延涛韩银俊曹义林郑志军王明德
Owner ZTE CORP
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