User Manual

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 240 of 434
3.5.7.1.8 Service Provider Name - #SPN
#SPN - Service Provider Name SELINT 2
AT#SPN
Execution command returns the service provider string contained in the SIM
field SPN, in the format:
#SPN: <spn>
where:
<spn> - service provider string contained in the SIM field SPN, represented
in the currently selected character set (see +CSCS).
Note: if the SIM field SPN is empty, the command returns just the OK result
code.
AT#SPN?
Read command has the same effect as execution command.
AT#SPN=?
Test command returns the OK result code.
3.5.7.1.9 Extended Numeric Error report - #CEER
#CEER – Extended numeric error report SELINT 2
AT#CEER
Execution command causes the TA to return a numeric code in the format
#CEER: <code>
which should offer the user of the TA a report of the reason for
• the failure in the last unsuccessful call setup (originating or answering);
• the last call release;
• the last unsuccessful GPRS attach or unsuccessful PDP context
activation;
• the last GPRS detach or PDP context deactivation.
Note: if none of the previous conditions has occurred since power up then
0 is reported (i.e. No error, see below)
<code> values as follows
Value Diagnostic
0 No error
1 Unassigned (unallocated) number
3 No route to destination
6 Channel unacceptable
8 Operator determined barring
16 Normal call clearing
17 User busy
18 No user responding
19 User alerting, no answer
21 Call rejected
22 Number changed