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Huawei MU609 - send SMS
Read the following documentation for more information:
ttyUSB0: MODEM port: simulated using USB, for AT command interaction and establishing data connection.
ttyUSB1: DIAG port: simulated using USB, for DIAG (diagnostic) command interaction (mainly used to debug modules at present).
ttyUSB2: PCUI port: simulated using USB, for AT command interaction only.
ttyUSB3: GPS NMEA port: simulated using USB, sending unsolicited indications for NMEA positioning data only.
ttyUSB4: GPS Control port: simulated using USB, for GPS AT command interaction only.
eth3: ECM port: for establishing communication connection.
Connect to the device:
screen /dev/ttyUSB0 9600
Send SMS using AT commands
Reset the mobile terminal (MT). Wait for the MT to come back and reconnect:
System configuration, you need to set CS or CS_ONLY, CS = circuit switched. If you want to set up a dataconnection, configure CS_PS. PS = packet switched. If you don't include CS, you will receive an error:
+CMS ERROR: 500
Check if SIM is ready or needs to be unlocked:
Are we registered to the network?
Configure message format, text mode:
Set text mode parameter (GSM):
Set SMS service center number:
Set Terminal Equipment (TE) character set:
Send message to number:
text text <ctrl-z>