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Can I send SMS messages using GPRS ?

First of all, you need a modem that supports GPRS. You also need a provider that supports GPRS (not all providers support GRPS!)
To send an SMS over GPRS, add the following to your modem initialization string:


The first command enables GPRS (disabled by default); the second command specifies to send SMS over GPRS instead of GSM.

You can now send SMS messages over GSM. However, if the provider does NOT support GPRS, you will receive the following error:

or +CMS ERROR: 69

You can switch it back using the following command: