3 Definitions and abbreviations
24.1963GPPEnhanced Calling Name (eCNAM)Release 17TS
For the purposes of the present document, the following definitions and abbreviations apply.
3.1 Definitions
For the purposes of the present document, the following definitions and abbreviations apply:
Identity information: all the information identifying a user, including trusted (network generated) and/or untrusted (user generated) addresses.
NOTE: Identity information takes the form of either a SIP URI (see RFC 3261 [3]) or a tel URI (see RFC 3966 [7]).
Originating UE: sender of a SIP request intended to initiate either a dialog (e.g. INVITE, SUBSCRIBE), or a standalone transaction.
Private information: information that according to RFC 3323 [6] and RFC 3325 [5] is not permitted to be delivered to the remote end.
Searchkey: a user identity employed to retrieve the eCNAM data associated with that identity from the appropriate data sources.
terminating UE: recipient of a SIP request intended either to initiate a dialog or to initiate either a dialog or a standalone transaction
trusted identity information: network generated user public identity information
For the purposes of the present document, the following definitions given in RFC 3261 [3] apply.
header
header field
request
response
session
(SIP) transaction
For the purposes of the present document, the following definitions given in ITU‑T Recommendation I.210 [11] apply:
supplementary service
E.164 telephone number: telephone number formatted according to ITU-T.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply.
3GPP 3rd Generation Partnership Project
ACR Anonymous Communication Rejection
AS Application Server
CCBS Completion of Communication to Busy Subscriber
CDIV Communication DIVersion
CN Core Network
CUG Closed User Group
CW Communication Waiting
eCNAM Enhanced Calling Name
ECT Explicit Communication Transfer
FA Flexible Alerting
HOLD Communication Hold
ICB Incoming Communications Barring
IETF Internet Engineering Task Force
IM IP Multimedia
IMS IP Multimedia Subsystem
IP Internet Protocol
MCID Malicious Communication Identification
MiD Multi-iDentity
MuD Multi-Device
MWI Message Waiting Indication
OIP Originating Identification Presentation
OIR Originating Identification Restriction
PNM Personal Network Management
SDP Session Description Protocol
SIP Session Initiation Protocol
TIP Terminating Identification Presentation
TIR Terminating Identification Restriction
TN Telephone Number
UE User Equipment
URI Universal Resource Identifier