For the purposes of the present document, the following terms and definitions apply:
Call Session Control Function (CSCF):
dialog:
header:
header field:
identity information:
incoming initial request:
all requests intended to initiate either a dialog or a standalone transaction received from the served user
Interconnection Border Control Function (IBCF):
method:
outgoing initial request:
all requests intended to initiate either a dialog or a standalone transaction terminated by the served user
provisional response:
public user identity:
request:
response:
session:
(SIP) transaction:
supplementary service:
tag:
trusted identity information:
network generated user public identity information
For the purposes of the present document, the following abbreviations apply:
AS
Application Server
CDIV
Communication DIVersion
CN
Core Network
CONF
CONFerence
CS
Circuit Switched
CSCF
Call Session Control Function
HOLD
communication HOLD
IBCF
Interconnection Border Control Function
IFC
Initial Filter Criteria
IMS
IP Multimedia Subsystem
IP
Internet Protocol
ISDN
Integrated Service Data Network
MCID
Malicious Communication IDentification
MiD
Multi-iDentity
MuD
Multi-Device
OIP
Originating Identification Presentation
OIR
Originating Identification Restriction
PSTN
Public Switch Telephone Network
S-CSCF
Serving-Call Session Control Function
SIP
Session Initiation Protocol
TIP
Terminating Identification Presentation
TIR
Terminating Identification Restriction
UE
User Equipment
XML
Extensible Markup Language