US Patent 10063643 Media stream grouping in multimedia communication networks

A first method for controlling a media session involving a plurality of media streams within a communications network, wherein a media control node determines that selected media streams out of the plurality of media streams are associated to each other in a media session, generates an instruction to group the selected media streams of the media session, and transmits the instruction to group the selected media streams to the media resource node, an a corresponding second method for initiating a media session involving a plurality of media streams wherein a further media control node determines grouping capabilities of the further media resource node to group selected media streams out of the plurality of media streams generates in dependence said grouping capabilities a session offer comprising an information of grouping the selected media streams, and transmits the session offer to the further media resource controller.