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I'd say this Q is answered.
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Hey, How do I send a string of characters to the modem? &nbsp;I'm trying to write a point of sale program and I want to open a cash draw that connects via telephone wire RJ11 or whatever.
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Hey, How do I send a string of characters to the modem?  I'm trying to write a point of sale program and I want to open a cash draw that connects via telephone wire RJ11 or whatever.

using the modem

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.