For the purposes of the present document, the terms and definitions given in
TS 22.173 apply.
For the purposes of the present document, the following abbreviations apply:
ACR/CB
Anonymous Communication Rejection and Communication Barring
AS
SIP Application Server
CDIV
Communication DIVersion
CSCF
Call Session Control Function
ECT
Explicit Communication Transfer
HOLD
communication session HOLD
IMS
IP Multimedia Subsystem
IP
Internet Protocol
ISDN
Integrated Service Digital Network
MCID
Malicious Communication IDentification
MiD
Multi-iDentity
MuD
Multi-Device
OIP
Originating Identification Presentation
OIR
Originating Identification Restriction
P-CSCF
Proxy-CSCF
PSAP
Public Safety Answering Point
PSTN
Public Switched Telephone Network
S-CSCF
Serving-CSCF
SDP
Session Description Protocol
SIP
Session Initiation Protocol
TIP
Terminating Identification Presentation
TIR
Terminating Identification Restriction
UE
User Equipment