The method and apparatus of the end-to-edge media protection in IMS system

The method and apparatus of the end-to-edge media protection in IMS system

  • CN 101,878,631 B
  • Filed: 12/01/2008
  • Issued: 10/12/2016
  • Est. Priority Date: 11/29/2007
  • Status: Active Grant
First Claim
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1. for the method being supported protected media session by communication node, described sideMethod comprises the following steps:

  • Receive from promoter'"'"'s user subject (12) to the session control of respondent'"'"'s user subject (14)Invitation message processed, described session control invitation message has for protection first and proposes, wherein,Before described session control invitation message, described promoter'"'"'s user subject (12) and/or responseMedia safety ability that person'"'"'s user subject (14) is registered;

    According to the security capabilities registered, the proposal from invitation message is carried out action;

    The message with modified proposal is forwarded to described respondent'"'"'s user subject;

    The confirmation beamed back is received from described respondent'"'"'s entity;

    AndRevise described confirmation, to include for setting up and being chosen as protecting the media of end port to put downThe information of the corresponding security association SA of face processor (20).

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