3 Definitions and abbreviations

22.1533GPPMultimedia priority serviceRelease 19TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1].

MPS session: A session for which priority treatment is applied for allocating and maintaining radio and network resources.

MPS-subscribed UE: A UE having MPS subscription.

Priority Treatment: Refers to mechanisms and features that increase the success rate for MPS session invocation, establishment and maintenance until release.

Service User: An individual authorized to use MPS and who has been granted a user priority level assignment by a regional/national authority (i.e., an agency authorised to issue priority assignments), and has a subscription to a mobile network operator that supports the MPS feature.

NOTE A Service User is not always restricted to a human user of the service (e.g., in the case of IoT, it could be a specialized application using MPS through machine interactions that may not directly involve a human Service User).

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1].

DTS Data Transport Service

MMTEL Multimedia Telephony

MPS Multimedia Priority Service

OTT Over-The-Top

PIN Personal Identification Number

VPN Virtual Private Network

NSWO Non-Seamless WLAN Offload