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Iridium Communications, Inc.
Iridium 9523 Product Developers' Guide
Revision 2.6
To Transceiver
(from FA)
AT+CIER=1,0,1
AT+SBDWB=70
<binary transfer>
AT+SBDIX
+SBDIX: 0,23,0,-1,0,0
AT+SBDD0
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)
AT+SBDREG?
AT+SBDREG
AT+SBDREG?
AT+SBDMTA=1
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)
AT+SBDREG?
AT+SBDIXA
Iridium Communications, Inc.
Proprietary & Confidential Information
Only
To FA (from Transceiver)
OK
+CIEV: 1,1
READY
0
OK
To FA (from Transceiver)
+SBDREG:0
+SBDREG:2,0
+SBDREG:2
OK
To FA (from Transceiver)
+SBDREG:2
...
+SBDRING
Page 108 of 115
Information Contained in this Guide
is Subject to Change Without Notice
Description
Wait for DSR to become asserted
Enable service indication reporting (note
that this can be stored in the default
configuration)
Wait for the Iridium 9523 to acquire the
network
Transfer message to Iridium 9523
Perform SBD session
Clear the MO message buffer
Description
Query the Transceiver registration status
Transceiver is detached, i.e. un-registered
Tell the Transceiver to register for
automatic notifications
Transceiver is now registered
Query the Transceiver registration status
Transceiver is registered
Enable SBD ring indications from
Transceiver to FA
Description
Query the Transceiver registration status
Transceiver is registered
Vendor application sends an MT message
to the GSS
Transceiver indicates an incoming
message. The RI line also toggles.
FA initiates an SBD session in answer to
the automatic notification
Distribution of Guide Restricted
to Product Developers
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