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While the A3LA-RM is locked, it is unable to perform any SBD sessions. Any attempts to start a
session will return an error code indicating that the A3LA-RM is locked.
Command Response: +CULK:<status>
where:
<status> indicates the lock status of the A3LA-RM following the unlock attempt:
0
Unlocked – A3LA-RM is not locked and is permitted to perform SBD sessions.
1
Locked – A3LA-RM 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 – A3LA-RM 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 A3LA-RM. The response is of the form:
+CULK:<status>
<status>:
0
Unlocked
1
Locked
2
Permanently locked
A.8.98 +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 A3LA-
R/RM/RGS.
A.8.99 +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.
A.8.100 +CLIP – Calling Line Identification Presentation
Exec Command: +CLIP=<n>
