Quectel M35 Command Manual page 89

Reference
GSM 07.05
Parameter
<index> Integer type; value in the range of location numbers supported by the associated memory
<mode> 0
1
<alpha> String type alphanumeric representation of <da> or <oa> corresponding to the entry found
in MT phonebook; implementation of this feature is manufacturer specific
<da> GSM 03.40 TP-Destination-Address Address-Value field in string format; BCD numbers (or
GSM default alphabet characters) are converted to characters of the currently selected TE
character set (specified by +CSCS in TS 07.07); type of address given by <toda>
<data> In the case of SMS: GSM 03.40 TP-User-Data in text mode responses; format
− if <dcs> indicates that GSM 03.38 default alphabet is used and <fo> indicates that
GSM 03.40 TPUser-Data-Header-Indication is not set
− if TE character set other than "HEX" (refer to command select TE character set
+CSCS in TS 07.07):ME/TA converts GSM alphabet into current TE character set
according to rules of Annex A
− if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet
into two IRA character long hexadecimal number (e.g. character P (GSM 23) is
presented as 17 (IRA 49 and 55))
− if <dcs> indicates that 8-bit or UCS2 data coding scheme is used, or <fo> indicates
that GSM 03.40 TP-User-Data-Header-Indication is set: ME/TA converts each 8-bit
octet into two IRA character long hexadecimal number (e.g. octet with integer value 42
is presented to TE as two characters 2A (IRA 50 and 65))
In the case of CBS: GSM 03.41 CBM Content of Message in text mode responses; format
− if <dcs> indicates that GSM 03.38 default alphabet is used
− if TE character set other than "HEX" (refer to command +CSCS in GSM 07.07): ME/TA
converts GSM alphabet into current TE character set according to rules of Annex A
− if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet
into two IRA character long hexadecimal number
− if <dcs> indicates that 8-bit or UCS2 data coding scheme is used: ME/TA converts
each 8-bit octet into two IRA character long hexadecimal number
<dcs> Depending on the command or result code: GSM 03.38 SMS Data Coding Scheme
(default value is 0), or Cell Broadcast Data Coding Scheme in integer format
M35_AT_Commands_Manual
+CMGR: <stat>,[<alpha>],<length><CR><LF><pdu>
OK
3) If error is related to ME functionality:
+CMS ERROR: <err>
Normal
Not change the status of the specified SMS record
Confidential / Released
GSM/GPRS Module
M35 AT Commands Manual
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