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Iridium Communications, Inc.
Iridium 9523 Product Developers' Guide
Revision 2.6
While the Iridium 9523 is locked, it is unable to perform any SBD sessions. Any attempts to start a
session will return an error code indicating that the Iridium 9523 is locked.
Command Response:
+CULK:<status>
where:
<status> indicates the lock status of the Iridium 9523 following the unlock attempt:
0
Unlocked – Iridium 9523 is not locked and is permitted to perform SBD sessions.
1
Locked – Iridium 9523 is locked and unable to perform SBD sessions. It must be
unlocked by supplying the correct unlock key to the +CULK command.
2
Permanently locked – Iridium 9523 is locked and unable to perform SBD sessions. It
cannot be unlocked and must be returned to the supplier.
Read Command: +CULK?
Query the current SBD lock status of the Iridium 9523. The response is of the form:
+CULK:<status>
<status>:
0
Unlocked
1
Locked
2
Permanently locked
5.7.98 +CVMI – Voicemail Indication
Exec Command: +CVMI
Query the status of the voicemail indication flag. The response is of the form:
+CVMI:<vmi>
where <vmi> is:
0
No voicemail indication has been received
1
A voicemail indication has been received
The voicemail indication flag indicates whether a voicemail notification message has been received from
the voicemail system. The flag is set to 1 when an indication is received, and is cleared to 0 after being
queried with the +CVMI command.
Note: For this feature to function, the voicemail number must be programmed into the Iridium 9523.
5.7.99
+CICCID – Read ICC ID from sim
Exec Command: +CICCID
Query the status ICC ID of the sim:
+CICCID
This returns the 19 or 20 digit Integrated Circuit Card Identification of the sim.
Note: This value is cached from the sim and thus is not available until the caching has completed ~5-10
seconds after startup.
Iridium Communications, Inc.
Proprietary & Confidential Information
Only
Information Contained in this Guide
is Subject to Change Without Notice
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