Hello,

I want to send personalized SMS to a huge number of different recipients (so one message for each number) using a Siemens TC35 modem. Therefore I currently make http-requests (using the http-interface) like this from a shell script: http://smsbox.host.name:13013/cgi-bin/sendsms?username=foo&password=bar&to=0123456&text=Hello+world (taken from the user's guide), replacing the "to=" and "text="-values everytime.

The question: Is it necessary to set a sleep between each request or will the modem slow down the throughput automatically? Normally the request is waiting for the "Accepted for delivery" before continuing - is this enough to make sure, that the modem is not overloaded? Or is there another way to deliver the SMS through the GSM modem making sure that the SMS are accepted by the GSM network provider?

Greetz and thanks,

Lars-Hendrik

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