3 Definitions and abbreviations

24.6053GPPConference (CONF) using IP Multimedia (IM) Core Network (CN) subsystemProtocol specificationRelease 18TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TS 22.173 [1] and 3GPP TS 24.147 [7] apply.

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

ACR/CB Anonymous Communication Rejection and Communication Barring

AS Application Server

CDIV Communication DIVersion

CONF CONFerence calling

CS Circuit Switch

ECT Explicit Communication Transfer

HOLD communication HOLD

IMS IP Multimedia Subsystem

IP Internet Protocol

ISDN Integrated Service Data Network

MCID Malicious Communication IDentification

MGCF Media Gateway Control Function

MiD Multi-iDentity

MuD Multi-Device

OIP Originating Identification Presentation

OIR Originating Identification Restriction

PSAP Public Safety Answering Point

P-CSCF Proxy CSCF

PSTN Public Switched Telephone Network

SIP Session Initiation Protocol

TIP Terminating Identification Presentation

TIR Terminating Identification Restriction

UE User Equipment