SMS to Trade Entry

I have been watching a strategy and it seems very successful. It has a very good two year live trade record and has remained successful while I have watched it.

Here's the catch: the signals come in the form of a SMS text with entry, exit and adjustment information. My problem is how to go from SMS to trade entry to minimize the lag time. It signals about 15 trades per month in ETFs.
Clearly there is lag in this process, but even more so if you don't catch the SMS right away and then need to entry the trade data into a broker account. The entry is most critical as the signal usually provides a limit order at or near the market. Adjustments and exits usually give a little more time with exit data if you catch the SMS within a few minutes. Naturally, there are lots of reasons to miss a SMS message.

Any suggestions on how I could make this more automated or work to enter trades with a broker. I would like to test it out on a simulated system for a while.

Thanks,
Dave