Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 57 23.06.2010
numbers from 00 to FF;
"PCCP" PC character set Code
"PCDN" PC Danish/Norwegian character set
"8859-1" ISO 8859 Latin 1 character set
Read Command
AT+CSCS?
Response
+CSCS: <chset>
OK
Parameter
<chset> see Test Command
Write Command
AT+CSCS=<chse
t>
Response
Sets which character set <chset> are used by the TE. The TA can then
convert character strings correctly between the TE and ME character sets.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<chset> see Test Command
Reference
GSM 07.07 [13]
Note
3.2.13 AT+CSTA Select Type of Address
AT+CSTA Select Type of Address
Test Command
AT+CSTA=?
Response
+CSTA: (list of supported <type>s)
OK
Read Command
AT+CSTA?
Response
+CSTA: <type>
OK
Parameter
< type > Current address type setting.
Write Command
AT+CSTA=<type
>
Response
OK
If <type> is not in the parameter range:
ERROR