User Manual

Iridium Communications, Inc. Information Contained in this Guide
Iridium 9523 Product Developers’ Guide is Subject to Change Without Notice
Revision 2.6
Iridium Communications, Inc. Distribution of Guide Restricted
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Only
To Transceiver
(from FA)
To FA (from Transceiver) Description
Wait for DSR to become asserted
AT+CIER=1,0,1
Enable service indication reporting (note
that this can be stored in the default
configuration)
OK
+CIEV: 1,1
Wait for the Iridium 9523 to acquire the
network
AT+SBDWB=70
Transfer message to Iridium 9523
READY
<binary transfer>
0
AT+SBDIX
Perform SBD session
+SBDIX: 0,23,0,-1,0,0
AT+SBDD0
Clear the MO message buffer
OK
8.4 SBD Automatic Notification Registration
The FA verifies its registration state, performs a registration in order to be able to receive automatic
notifications, and enables automatic notification indications.
To Transceiver
(from FA)
To FA (from Transceiver) Description
AT+SBDREG?
Query the Transceiver registration status
+SBDREG:0
Transceiver is detached, i.e. un-registered
AT+SBDREG
Tell the Transceiver to register for
automatic notifications
+SBDREG:2,0
Transceiver is now registered
AT+SBDREG?
Query the Transceiver registration status
+SBDREG:2
Transceiver is registered
AT+SBDMTA=1
Enable SBD ring indications from
Transceiver to FA
OK
8.5 SBD Automatic Notification Message Reception
The FA verifies its registration state. Upon receiving automatic notification the FA initiates an SBD
session to receive an MT message.
To Transceiver
(from FA)
To FA (from Transceiver) Description
AT+SBDREG?
Query the Transceiver registration status
+SBDREG:2
Transceiver is registered
…
Vendor application sends an MT message
to the GSS
+SBDRING
Transceiver indicates an incoming
message. The RI line also toggles.
AT+SBDIXA
FA initiates an SBD session in answer to
the automatic notification