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Iridium Communications, Inc.
Iridium 9523 Product Developers' Guide
Revision 2.6
This command will always attempt an SBD registration, consisting of attach and location update,
during the SBD session in order to support SBD Ring Alert. If this is not desired, the +SBDI
command should be used.
The FA should append an 'A' to the command, i.e. +SBDIXA, when the SBD session is in
response to an SBD ring alert
<location> has format:
[+|-]DDMM.MMM,[+|-]dddmm.mmm
where:
DD
Degrees latitude (00-89)
MM
Minutes latitude (00-59)
MMM
Thousandths of minutes latitude (000-999)
ddd
Degrees longitude (000-179)
mm
Minutes longitude (00-59)
mmm
Thousandths of minutes longitude (000-999)
This command initiates an SBD session between the Iridium 9523 and the GSS, setting the SBD Session.
The optional sign indicators specify latitude North (+) or South (-), and longitude East (+) or West (-). If
omitted, the default is +.
For example,
AT+SBDIX=5212.483,-00007.350
corresponds to 52 degrees 12.483 minutes North, 0 degrees 7.35 minutes West.
Command Response:
+SBDIX:<MO status>,<MOMSN>,<MT status>,<MTMSN>,<MT length>,<MT queued>
where:
<MO status>:
MO session status provides an indication of the disposition of the mobile originated transaction. The field
can take on the following values:
Gateway-reported values:
0
MO message, if any, transferred successfully
1
MO message, if any, transferred successfully, but the MT message in the queue was too
big to be transferred
2
MO message, if any, transferred successfully, but the requested Location Update was not
accepted
3..4
Reserved, but indicate MO session success if used
5..8
Reserved, but indicate MO session failure if used
10
GSS reported that the call did not complete in the allowed time
11
MO message queue at the GSS is full
12
MO message has too many segments
13
GSS reported that the session did not complete
14
Invalid segment size
Iridium Communications, Inc.
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