I spent some time this afternoon looking for a bug in some code... I eventually found it - the error was that to send an SMS message, you need to send the following commands...
AT+CMGS="0412929634"
This is the message[Ctrl-Z]
The problem was that the Ctrl-Z was being sent incorrectly... In VB you need to send it like
SendText ("This is the Message" & chr(26))
The code was actually something like
SendText ("This is the Message" & "/n001b")
which did not work. I eventually found this by accident... When the modem refused to respond.
AT+CMGS="0412929634"
This is the message[Ctrl-Z]
The problem was that the Ctrl-Z was being sent incorrectly... In VB you need to send it like
SendText ("This is the Message" & chr(26))
The code was actually something like
SendText ("This is the Message" & "/n001b")
which did not work. I eventually found this by accident... When the modem refused to respond.
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