Esse-ti GSM500 M2M, User Manual

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Page 15
PROGRAMMING
Programming via SMS is possible by any mobile phone or other device
supporting SMS. An SMS notifying that programming has been
completed will be sent back by the GSM500 M2M to the same telephone
number that forwarded the programming SMS.
WARNING
Programming outgoing SMS from the Internet may
not be successful if the requested format is not
respected.
When the GSM500 M2M sends or receives an SMS, the line status LED
(blue) will turn on.
Message format
Each programming SMS contains one or more programming commands.
The message format is required to be as follows:
Et-vm1 cmd par cmd par … cmd par
Where:
Et-vm1
: programming string start
cmd : programming command
par : parameter correlated to the command
Each command and each parameter must be separated by a space.
Example:
it is required to set the telephone number 0039333123123123.
Outgoing message text:
Et-vm1 alertphone 0039333123123123