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update troubleshooting tip to restart, organize windows vs Linux/Mac #14

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6 changes: 5 additions & 1 deletion README.md
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Expand Up @@ -10,6 +10,8 @@ We assume that before you begin, you will have [node.js and npm](http://www.node
* `TWILIO_AUTH_TOKEN` : Your Twilio "auth token" - it's your password for the Twilio API. This and the account SID (above) can be found [on the console](https://www.twilio.com/console).
* `TWILIO_PHONE_NUMBER` : A Twilio number that you own, that can be used for making calls and sending messages. You can find a list of phone numbers you control (and buy another one, if necessary) [in the console](https://www.twilio.com/console/phone-numbers/incoming).

## Mac and Linux Environment Variables

For Mac and Linux, environment variables can be set by opening a terminal window and typing the following three commands - replace all the characters after the `=` with values from your Twilio account:

export TWILIO_ACCOUNT_SID=ACXXXXXXXXX
Expand All @@ -18,6 +20,8 @@ For Mac and Linux, environment variables can be set by opening a terminal window

To make these changes persist for every new terminal (on OS X), you can edit the file `~/.bash_profile` to contain the three commands above. This will set these environment variables for every subsequent session. Once you have edited the file to contain these commands, run `source ~/.bash_profile` in the terminal to set up these variables.

## Windows Environment Variables

On Windows, the easiest way to set permanent environment variables (as of Windows 8) is using the `setx` command. Note that there is no `=`, just the key and value separated by a space:

setx TWILIO_ACCOUNT_SID 'ACXXXXXXXXX'
Expand All @@ -34,7 +38,7 @@ You will first need to install the application's dependencies. You can do this

Now, you should be able to launch the application. From your terminal, run `npm start`. This should launch your Express application on port 3000 - [visit that URL on your local host at http://localhost:3000](http://localhost:3000/). Enter your mobile number in the fields provided, and test both SMS text messages and phone calls being sent to the mobile number you provide.


** If your application responds with an "undefined" error after trying to start, first confirm that the variables are in the system with the steps for your OS [here](https://www.youtube.com/watch?v=tqWDiu8a4gc&list=PLqrz4nXepkz63z1y4-oHfZHWy11gSoAn0), or try restarting your local machine and attempting again.

If your phone receives both a call and text message, you're good to go!

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