(57) A communication system controls a Long Term Evolution (LTE) media session with an
Internet Multimedia Subsystem (IMS). An LTE Packet Gateway (P-GW) establishes an IMS …

Abstract An Internet Protocol Multimedia Subsystem (IMS) receives a media session invite
having a Wireless Priority Service (WPS) prefix over a non-Long Term Evolution (LTE) …

Exemplary methods for establishing an emergency call and an emergency call-back for a
first User Equipment (UE) communicatively coupled to a visited Internet Protocol Multimedia …

A Core Network is provided for supporting an Internet Protocol Multimedia Subsystem (IMS)
enabled User Equipment (UE), the UE lacking Globally Routable User Agent URI (GRUU) …

(57) ABSTRACT A method of performing inter-user equipment (UE) transfer (IUT) by an
Internet protocol (IP) multimedia subsystem (IMS) network in an IMS-based network system …

(57) ABSTRACT A method for performing inter-user equipment (UE) transfer (IUT) of
collaborative session control performed by a UE in a network system based on an Internet …

Methods, systems, and computer readable media for sharing identification information of
network nodes in an IMS network are disclosed. One method includes determining, by a …

In one embodiment, a scheme is disclosed for controlling voice call continuity (VCC)
functionality of a user equipment (UE) device with respect to a call in a network environment …

(57) ABSTRACT A method of Radio Access Bearer for IP Multimedia Session in UMTS
Network, including: establishing an IP Multimedia Session between the User Equipment and …

(57) ABSTRACT A method for establishing an emergency call includes: if an emergency call
request message sent by a User Equipment (UE) contains an Internet Protocol Multimedia …