For the purposes of the present document, the following terms and definitions apply:
subscriber:
service:
Integration Reference Point (IRP):
user:
subscription:
Subscription Management (SuM):
Subscription Profile:
Subscription Profile Component:
For the purposes of the present document, the following abbreviations apply:
2G
Second Generation Mobile
3G
Third Generation Mobile
API
Application Programming Interface
ASP
Application Service Provider
AuC
Authentication Center
B2B
Business to Business
CS
Circuit Switch
EIR
Equipment Identity Register
GTT
Global Text Telephony
GUP
Generic User Profile
HE
Home Environment
HLR
Home Location Register
HSS
Home Subscriber Server
IMS
IP Multimedia Subsystem
IRP
ISP
Internet Service Provider
NPDB
Number Portability Data Base
NRM
Network Resource Model
OAM
Operations, Administration and Maintenance
OSA
Open Services Access
OSF
Operations System Functions
OSS
Operations Support System
PS
Packet Switch
SLA
Service Level Agreement
SM&O
Service Management and Operations (TMF/ITU-T)
SP
Service Provider
SuM
Subscription Management
TMN
Telecommunication Management Network
TR-IRP
Trading Partner IRP
UICC
Universal Integrated Circuit Card
USIM
Universal Subscriber Identity Module
VASP
Value Added Service Provider
VHE
Virtual Home Environment
VNO
Virtual Network Operator