A3LA-RG Guide Version B
Document Number: 451-93156-009B
154 of 180
E.4 SBD
A
UTOMATIC
N
OTIFICATION
R
EGISTRATION
The DTE verifies its registration state, performs a registration in order to be able to receive
automatic notifications, and enables automatic notification indications.
Table 14: SBD Automatic Notification Registration
To A3LA-RG (from DTE)
To DTE (from A3LA-RG)
Description
AT+SBDREG?
Query the A3LA-RG registration
status
+SBDREG: 0
A3LA-RG is detached, i.e.,
unregistered
AT+SBDREG
Tell the A3LA-RG to register for
automatic notifications
+SBDREG: 2,0
A3LA-RG is now registered
AT+SBDREG?
Query the A3LA-RG registration
status
+SBDREG: 2
A3LA-RG is registered
AT+SBDMTA=1
Enable SBD ring indications from
A3LA-RG to DTE
OK
E.5 SBD
A
UTOMATIC
N
OTIFICATION
M
ESSAGE
R
ECEPTION
The DTE verifies its registration state. Upon receiving automatic notification, the DTE initiates
an SBD session to receive an MT message.
Table 15: SBD Automatic Notification Message Reception
To A3LA-RG (from DTE)
To DTE (from A3LA-RG)
Description
AT+SBDREG?
Query the A3LA-RG registration
status
+SBDREG: 2
A3LA-RG is registered
…
Vendor application sends an MT
message to the GSS
+SBDRING
A3LA-RG indicates an incoming
message. The RI line also toggles.