For the purposes of the present document, the terms and definitions given in
TS 22.173,
TS 22.101,
TS 22.228,
TS 23.003 and the following apply:
correspondent:
person or entity that deposits messages in the subscriber's message account
Message Account (MA):
resource that retains multimedia messages (voice, video, fax, etc.) deposited by correspondents for the subscriber
subscriber:
person or entity that receives status information about deposited messages
supplementary service:
modifies or supplements a basic Telecommunication service
For the purposes of the present document, the following abbreviations apply:
AS
Application Server
CD
Communication Deflection
CDIV
Communication DIVersion
CFB
Communication Forwarding Busy
CFNL
Communication Forwarding on Not Logged-in
CFNR
Communication Forwarding No Reply
CFU
Communication Forwarding Unconditional
CONF
CONFerence calling
CSCF
Call Session Control Function
ECT
Explicit Communication Transfer
HOLD
Communication Hold
I-CSCF
Interrogating - CSCF
IMS
IP Multimedia Subsystem
IP
Internet Protocol
ISDN
Integrated Service Data Network
MA
Message Account
MCID
Malicious Call IDentification
MiD
Multi-iDentity
MIME
Multipurpose Internet Mail Extensions
MNUA
MWI Notifier User Agent
MSUA
MWI Subscriber User Agent
MuD
Multi-Device
MWI
Message Waiting Indication
OIP
Originating Identification Presentation
OIR
Originating Identification Restriction
P-CSCF
Proxy - CSCF
PSI
Public Service Identity
PSTN
Public Switch Telephone Network
S-CSCF
Serving - CSCF
SDP
Session Description Protocol
SIP
Session Initiation Protocol
TIP
Terminating Identification Presentation
TIR
Terminating Identification Restriction
UA
User Agent
UE
User Equipment
URI
Universal Resource Identifier