3 Definitions, symbols and abbreviations
24.2473GPPMessaging service using the IP Multimedia (IM) Core Network (CN) subsystemRelease 17Stage 3TS
3.1 Definitions
IsComposing information This is a term used to indicate that an indication is sent to the communicating user when a user in entering a new message.
For the purposes of the present document, the following terms and definitions given in 3GPP TS 22.340 [11] apply:
Immediate messaging
Session based messaging
Session based messaging conferences
For the purposes of the present document, the following terms and definitions given in RFC 4975 [9] apply:
Host
Page-mode messaging
Session inactivity timer
Session-mode messaging
Session-mode messaging conferences
Visitor
For the purposes of the present document, the following terms and definitions given in 3GPP TS 24.147 [10] apply:
Conferencing Application Server
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AS Application Server
CN Core Network
DM Data manipulator
DMS Data manipulation server
IM IP Multimedia
IMS IP Multimedia CN subsystem
IP Internet Protocol
MRFC Media Resource Function Controllers
MRFP Media Resource Function Processors
MSRP Message Session Relay Protocol
SBLP Service Based Local Policy
SDP Session Description Protocol
SIP Session Initiation Protocol
UE User Equipment
URL Uniform Resource Locator