ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 427 of 1039 2021-09-23
in PDU mode: when the length of the SMSC address equals 0,
then the SMSC address set with command +CSCA is used; in this
case the SMSC Type of Address octet shall not be present in the
data.
To ensure that during the command execution, which may take
several seconds, no other SIM interacting commands issued,
care must take.
It is possible to send a concatenation of at most 10 SMs; the
maximum number of chars depends on the <dcs>:
7. 2448 chars
8. 2144 chars if 8-bit is used
9. 1072 chars if UCS2 is used
If message sending fails for some reason, then an error code is
reported.
AT+CMGS=?
Test command returns the OK result code.
To avoid malfunctions is suggested to wait for the +CMGS: <mr>
or +CMS ERROR: <err> response before issuing further
commands.
To avoid malfunctions it is suggested to wait for the +CMGS: <mr> or +CMS
ERROR: <err> response before issuing further commands.
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