A method, a device, and a non-transitory storage medium provide to receive a trigger to
initiate a media session that is to be supported by a control channel and a media channel; …

Embodiments described herein relate to a method for enhancing quality of service for high
priority trafic. For example, a UE may communicate within a packet switched system, eg, an …

(57) ABSTRACT A device, system, and method performs a Voice over Long Term Evolution
(LTE)(VoLTE) call setup procedure. The device includes a transceiver establishing a …

A method, a device, and a non-transitory storage medium provide an emergency call
support service in which a network device of a visited network obtains user profile data of a …

A communication method comprises that if a policy control device does not support setup of
an Internet Protocol (IP) multimedia subsystem (IMS) default bearer during setup of an IMS …

A cellular telecommunication system comprises a radio access part comprising a plurality of
base stations that can be offset by wireless connection, as well as a core network part …

A method, a device, and a non-transitory storage medium provide to generate a first Short
Message Service (SMS) message, which includes a first Session Initiation Protocol (SIP) …