Sessions in a communication system

A technology of communication system and session description protocol, applied in the field of policy control

Active Publication Date: 2012-09-12
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not possible to reject such a response if the SDP violates media policy, e.g. a policy set by the operator but unknown to the user

Method used

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  • Sessions in a communication system
  • Sessions in a communication system
  • Sessions in a communication system

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Experimental program
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Embodiment Construction

[0021] With reference to the exemplary architecture of the third generation (3G) mobile communication system, some embodiments of the present invention will be described below by way of example. However, it should be understood that the embodiments can be applied to any suitable communication system.

[0022] Reference figure 1 The figure shows an example of a network architecture in which the present invention can be implemented. in figure 1 , An IP multimedia network 45 is set up to provide IP multimedia services to subscribers of the IP multimedia network.

[0023] As described above, IP multimedia (IM) functions can be provided by means of a mobile communication system. Mobile communication systems are generally arranged to serve multiple mobile user equipment, generally via a wireless interface between the user equipment and at least one base station of the communication system. The mobile communication system can be logically divided into a radio access network (RAN) and a ...

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Abstract

A method in a communication system for handling responses to messages includes the step of sending a message from a first party to a second party. A response to the message is the sent, the response being such that is includes at least one parameter in breach of a policy for the communication between the first party and the second party. A network controller may detect that the response includes at least one parameter breaching the policy, where after the at least one parameter is modified to be consistent with the policy.

Description

Technical field [0001] The present invention relates to communication systems, and in particular to policy control associated with sessions provided by means of communication systems. Background technique [0002] A communication system can be considered as a facility that enables a communication session between two or more entities, such as user equipment and / or other nodes associated with the communication system. The communication may include, for example, voice, data, and multimedia communication. The user equipment may be equipped with a two-way telephone call or a multi-way conference call, for example. The user equipment may also be equipped with a connection to an application server (AS), such as a service provider server, thereby enabling the services provided by the application server to be used. [0003] Communication systems generally work according to a given standard or specification, which specifies what operations are allowed to be performed by various entities as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/56H04W28/18
CPCH04L65/1006H04W28/18H04L29/06217H04L29/06197H04L65/1016H04L65/1104H04L12/66
Inventor 加博·巴伊科加博·贾罗乔茨西弗·瓦尔加
Owner NOKIA TECHNOLOGLES OY
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