OTA
MME
DIAMETER
UE
BIP
OTA
Over The Air
Mobility providing
Terminal activation
BIP processing
TCP
CS
MSGAS
HSS
MAP
EGLR
MME
DIAMETER
UE
BIP
CS
TCP
MSGAS
HSS
MAP
EGLR
OTA
Over The Air
Mobility providing
Terminal activation
BIP processing
OTA
The OTA (Over The Air) service allows for remote updating or modification of SIM card data through wireless networks.
Key functionalities include real-time device activation, number changes, and PLMN downloads, all achievable via SMS (Short Message Service) or BIP (Bearer Independent Protocol) without physical SIM card replacement.
OTA main features
- Mobility-providing function
– Subscriber authentication function
– Location registration function
– Notification function
- Terminal activation function
– NAS SMS processing function
– HSS/GLR linkage function
– SMS sending function for terminal update (USIM, ESIM support)
– SMS linkage function
- BIP processing function
– Terminal opening support
– PLMN update processing
– Number change processing