AT Commands User Manual -"HEX" character strings consist only of hexadecimal numbers from 00 to FF; e.g. "032FE6" equals three 8-bit characters with decimal values 3, 47 and 230; no conversions to the original MT character set shall be done. - “IRA”: international reference alphabet (ITU-T T.50). - “PCCP437”: PC character set Code Page 437. - “8859-1”: ISO 8859 Latin 1 character set. - “UCS2”: 16-bit universal multiple-octet coded character set (USO/IEC10646); UCS2 character strings are converted to hexadecimal numbers from 0000 to FFFF. Only the strings found in quotation marks are UCS2 coded, the rest of commands or responses remain inIRA alphabet.
1 Read the IMSI (15 digits starting with MCC / 3 digits and MNC / 2digits). 2 Get the list of capabilities. 10 4.6 Request international mobile subscriber identification +CIMI Command syntax Description AT+CIMI1 This command allows requesting the international mobile subscriber identity IMSI (International Mobile Subscriber Identity), which is intended to permit the TE user to identify the individual SIM which is attached to ME. OK or CME ERROR: AT+CIMI1 Test command OK AT+CIMI=? 4.7 Card identification +CCID Command syntax Description AT+CCID This command returns the ICCID of the SIM-card. OK or CME ERROR: AT+CCID Read command same as above AT+CCID? Test command OK AT+CCID=?
4.8 Request complete capabilities list +GCAP Command syntax Description AT+GCAP2 This command requests the list of capabilities, containing the corresponding command names. +GCAP: +FCLASS, +CGSM OK or CME ERROR: unknown AT+GCAP2 4.9 Repeat last command A/ Command syntax Description A/ A/ This syntax allows repeating the previously executed command again. Only the A/ command can not be repeated.