Patent ID: 8428627
Filing Date: 2013-04-23
Classification: H04L

Abstract:
1. A method for media modification, comprising: when a Re-INVITE message initiates a media component addition and/or existing media component modification, if there is a precondition for the media component addition and/or the existing media component modification and a user confirmation is not required for the media component addition and/or the existing media component modification, then regarding a time point when the precondition is satisfied as a confirmed time point of the media component addition and/or the existing media component modification; if there is a precondition for the media component addition and/or the existing media component modification and the user confirmation is required for the media component addition and/or the existing media component modification, then regarding a 200OK response message of the Re-INVITE message as the confirmed time point of the media component addition and/or the existing media component modification.