Patent ID: 9641567
Date: 2017-05-02
CPC Classifications: H04L

Claim:
1. A method for an inter-user equipment (UE) 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 using a Session Initiation Protocol (SIP) during the collaborative session; controlling a second UE 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, using an enhanced SIP, the inter-UE transfer to transfer at least one media operation of the collaborative session with the remote end to the second UE; and indicating, using at least a SIP media feature tag of a SIP message from the network entity to the second UE, wherein the SIP message is related to the inter-UE transfer, whether one of the first UE or the second UE supports functionality as a controller in the inter-UE transfer, wherein the functionality includes sending SIP messages to initiate inter-UE transfer operations.