Rainbow Electronics GM862-QUAD-PY User Manual

Page 227

AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

page 227 of 434

+CMGW - Write Message To Memory

SELINT 2

(IRA 13, 10, 62, 32)

After this prompt text can be entered; the entered text should be
formatted as follows:

- if current (see +CSMP) indicates that GSM03.38 default

alphabet is used and current (see +CSMP) indicates that GSM
03.40 TP-User-Data-Header-Indication is not set, then ME/TA
converts the entered text into GSM alphabet, according to GSM
07.05, Annex A; backspace can be used to delete last character
and carriage returns can be used.

- if current (see +CSMP) indicates that 8-bit or UCS2 data

coding scheme is used or current (see +CSMP) indicates that
GSM 03.40 TP-User-Data-Header-Indication is set, the entered text
should consist of two IRA character long hexadecimal numbers
which ME/TA converts into 8-bit octet (e.g. the ‘asterisk’ will be
entered as 2A (IRA50 and IRA65) and this will be converted to an
octet with integer value 0x2A)

Note: the DCD signal shall be in ON state while text is entered.

Note: the echoing of entered characters back from the TA is
controlled by echo command E

To write the message issue Ctrl-Z char (0x1A hex).

To exit without writing the message issue ESC char (0x1B hex).

If message is successfully written in the memory, then the result is
sent in the format:

+CMGW:
where:
- message location index in the memory .

If message storing fails for some reason, an error code is reported.

Note: care must be taken to ensure that during the command
execution, no other SIM interacting commands are issued.

Note: it is possible to save a concatenation of at most 10 SMs; the
maximum number of chars depends on the : 1530 chars if GSM
03.38 default alphabet is used, 1340 chars if 8-bit is used, 670 chars if
UCS2 is used.

AT+CMGW=?

Test command returns the OK result code.

Reference GSM

07.05

=
0

Note

To avoid malfunctions is suggested to wait for the +CMGW: