3 Definitions, symbols and abbreviations

29.3643GPPIP Multimedia Subsystem (IMS) Application Server (AS) service data descriptions for AS interoperabilityRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [16] apply.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [16].

3PTY Three-Party Communication

ACR Anonymous Communication Rejection

AOC-C Advice Of Charge – Charging

AOC-D Advice Of Charge – During the communication

AOC-E Advice Of Charge – at the End of the communication

AOC-I Advice Of Charge – for Information

AOC-S Advice Of Charge – at communication Set-up time

AS Application Server

CAT Customized Alerting Tones

CB Communication session Barring

CCBS Completion of Communication sessions to Busy Subscriber

CCNR Completion of Communication sessions on No Reply

CD Communication Deflection

CDIV Communication DIVersion

CFB Communication Forwarding Busy

CFNL Communication Forwarding on Not Logged-in

CFNR Communication Forwarding No Reply

CFNRc Communication Forwarding on Subscriber Not Reachable

CFU Communication Forwarding Unconditional

CONF CONFerence

CUG Closed User Group

CW Communication Waiting

ECT Explicit Communication Transfer

FA Flexible Alerting

GRUU Globally Routable User agent URI

HOLD Communication HOLD

ICB Incoming Communications Barring

MCID Malicious Communication IDentification

MMTEL MultiMedia Telephony

MWI Message Waiting Indication

OCB Outgoing Communications Barring

OIP Originating Identification Presentation

OIR Originating Identification Restriction

TIP Terminating Identification Presentation

TIR Terminating Identification Restriction