3 Definitions and abbreviations

29.1223GPPRelease 18T8 reference point for Northbound APIsTS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP 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 3GPP TR 21.905 [1].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP 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 3GPP TR 21.905 [1].

AF Application Function

AS Application Server

ASP Application Service Provider

BDT Background Data Transfer

CAPIF Common API Framework

CP Communication Pattern

DDN Downlink Data Notification

DNN Data Network Name

DL Downlink

eNB Evolved Node B

GMD Group Message Delivery

IMEI-TAC Type Allocation Code part of an IMEI

IWK-SCEF Interworking SCEF

JSON JavaScript Object Notation

LC Load Control

LCI Load Control Information

MIME Multipurpose Internet Mail Extensions

MT Mobile Terminated

MTC Machine Type Communications

MT-LR Mobile Terminated Location Request

NEF Network Exposure Function

NIDD Non-IP Data Delivery

NP Network Parameter

NSAC Network Slice Admission Control

OCI Overload Control Information

OLC OverLoad Control

PCRF Policy and Charging Rule Function

PDN Packet Data Network

PFD Packet Flow Description

PFDF Packet Flow Description Function

RCAF RAN Congestion Awareness Function

REST Representational State Transfer

SACH Service Announcement Channel

SCEF Service Capability Exposure Function

SCS Services Capability Server

S-NSSAI Single Network Slice Selection Assistance Information

TAI Tracking Area Identity

TLTRI T8 Long Term Transaction Reference ID

TSC Time Sensitive Communication

TSCAI Time Sensitive Communication Assistance Information

WB Wide Band

YAML YAML Ain’t Markup Language