AL3A-RM User Guide Version B
Document Number: 451-93156-002B
148 of 172
Table 14: SBD Automatic Notification Registration
To A3LA-RM
(from DTE)
To DTE (from
A3LA-RM)
Description
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-RM
(from DTE)
To DTE (from A3LA-RM)
Description
AT+SBDREG?
Query the A3LA-RM registration status
+SBDREG: 2
A3LA-RM is registered
…
Vendor application sends an MT message to
the GSS
+SBDRING
A3LA-RM indicates an incoming message. The
RI line also toggles.
AT+SBDIXA
DTE initiates an SBD session in answer to the
automatic notification
+SBDIXA:0,23,1,237,90,2
A3LA-RM informs DTE that a 90-byte message
was successfully received with MTMSN 237,
and that two further MT messages are queued
at the GSS
AT+SBDRB
DTE retrieves the received message from the
A3LA-RM
<binary transfer>