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Method for determining media capability and call control network element

A technology for call control network elements and media, applied in the field of communication, can solve problems such as poor user experience, unsatisfactory session quality, and unsatisfactory session quality.

Active Publication Date: 2019-04-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the order of the media capabilities carried by the session initiator is fixed, the media capabilities selected by the called device may not be suitable for the current session environment, which means that the quality of the session cannot achieve the expected effect, even if the called device does not For the preferred media codec in the preferred call request, the selected media capability (media codec) may still not match the current session environment, resulting in unsatisfactory session quality and poor user experience

Method used

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  • Method for determining media capability and call control network element
  • Method for determining media capability and call control network element
  • Method for determining media capability and call control network element

Examples

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Embodiment Construction

[0108] Embodiments of the present invention provide a method for determining media capabilities and a call control network element, which improve session quality and provide better user experience.

[0109] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0110] The terms "first", "second" and the like (if any) in the description and claims of the present invention and the above drawings...

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Abstract

The embodiment of the invention discloses a method for determining media capability and a call control network element. The method in the embodiment of the present invention includes: the call control network element receives the call request of the calling side device; the call control network element obtains the media transmission status of at least one of the calling side device and the called side device on the call path; the call control network The element determines the media capability when establishing a session between the calling side device and the called side device according to the media transmission status. The embodiment of the present invention improves the session quality and provides good user experience.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method for determining media capabilities and a call control network element. Background technique [0002] In the communication field, such as a real-time call, before the call is established, the calling party and the called party need to exchange each other's media capabilities, and the media call is carried out after the interaction is completed. [0003] Taking a Session Initiation Protocol (SIP) call as an example, the media capabilities of the session are interacted by the Session Description Protocol (SDP). The basic flow of a typical basic call model (taking audio as an example) is as follows: ① The calling side device initiates a session request, carrying the media capability supported by the calling side device as audio codec AMR-WB. ②The call request of the calling side equipment is forwarded to the call control network element, and the call control network e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L9/40
Inventor 张立斌
Owner HUAWEI TECH CO LTD
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