Patent ID: 7710945

Claim:
A method for establishing a user multimedia session between a first and a second end user, each end user having access to a respective plurality of end user systems, each end user system comprising at least a user terminal being connected to a respective communications network, comprising the steps of: storing data for each end user system of each respective plurality of end user systems at a respective storage unit, said data at least relating to the capabilities of each end user system, first user initiating at the first one of said plurality of end user systems transmission of a communication invitation to at least one of a second user's plurality of end user systems, the invitation further determining initial requirements on media capabilities for communication, in dependence of said initial requirements and said storage data, negotiating with the respective party for selection end user system user terminals having appropriate media capabilities, and determining network addresses for selected end user terminals for establishment of sub-sessions of a respective user session between each user terminal and a network node connected to each respective communications network, said sub-sessions being established in response to said data, each sub-session comprising a particular type of media; interconnecting at the network node said sub-sessions for creation of a multimedia user session.