The SMS text reply should send you back a message to that text number – provided that you have set this up in your account in the SMS originator field. 

To set up the mobile number you want the SMS to show it has come from and the number to reply to (same number) you will need to do the following:

1.  Go into your account and click on the Settings icon along the top menu bar - see example below:

2. Next click on Global Settings (2nd tab along)

3. Click on SMS originator field and enter the mobile number you want the text message to reply to.  Please enter the number without any spaces.

4.  Click update Settings to save.  Now you are ready to send out your SMS message(s).