Patent ID: 9641564
Date: 2017-05-02
CPC Classifications: H04L

Claim:
1. A method executable by a first user equipment (UE) for an inter-UE inter transfer in a collaborative session between at least a first UE and a remote end, comprising: communicating from the first UE, via a network entity, to the remote end during the collaborative session; controlling a second UE user equipment during the collaborative session to communicate, via the network entity, with the remote end in the collaborative session, wherein controlling the second UE is based at least in part on initiating, via communicating with a Service Centralization and Continuity (SCC) application server, the inter-UE transfer to transfer at least one media operation of the collaborative session with the remote end to the second UE; and maintaining media components information about the collaborative session updated for a change in the at least one media operation, comprising: exchanging, between the first UE and the SCC application server in accordance with the change in the at least one media operation and after completion of the inter-UE transfer, a Session Description Protocol (SDP) message configured to indicate an update to the media components information for a media component in the collaborative session, wherein the SDP message includes at least an indication of a type of media associated with the media component, wherein the SDP message specifies a special port number to indicate whether the media component is owned by the controller device or the second UE user equipment acting in a role as a controllee device, and the special port number used to indicate ownership of the media component is different from an actual port number used by the media component.