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HSDPA Standard At Commands Page 19 of 60 Version 1.2
Table 8. +CGMM action command syntax
Command Possible response(s)
+CGMM <model>
+CME ERROR: <err>
+CGMM=?
value <model>: the total number of characters, including line terminators, in the information text
shall not exceed 2048 characters.
1.13. Request product serial number identification (+CGSN)
Execution command causes the TA to return one or more lines of information text <sn>, determined by
the MT manufacturer, which is intended to permit the user of the TA to identify the individual MT to
which it is connected to. Typically, the text will consist of a single line containing the IMEI (International
Mobile station Equipment Identity; refer 3GPP TS 23.003 [7]) number of the MT, but manufacturers
may choose to provide more information if desired.
Table 9. +CGSN action command syntax
Command Possible response(s)
+CGSN <sn>
+CME ERROR: <err>
+CGSN=?
value <sn>: the total number of characters, including line terminators, in the information text
shall not exceed 2048 characters
1.14. Select TE character set (+CSCS)
Set command informs TA which character set <chset> is used by the TE. TA is then able to convert
character strings correctly between TE and MT character sets.
Table 10. +CSCS parameter command syntax
Command Possible response(s)
+CSCS=[<chset>]
+CSCS? +CSCS: <chset>
+CSCS=? +CSCS: (list of supported <chset>s)
Value
<chset> (conversion schemes not listed here can be defined by
manufacturers):
"GSM" GSM 7 bit default alphabet (3GPP TS 23.038); this setting
causes easily software flow control (XON/XOFF) problems
"IRA"
international reference alphabet (ITU-T T.50 [13])
"UCS2" 16-bit universal multiple-octet coded character set
(ISO/IEC10646 [32]); UCS2 character strings are converted to
hexadecimal numbers from 0000 to FFFF; e.g.
"004100620063" equals three 16-bit characters with decimal
values 65, 98 and 99