Sending a text is done the same way as sending an email so it’s actually pretty easy right out of Panorama. I use it from my desktop as well as on servers with the Python script as used in Mailbox, available in the Database Exchange. You can send to one at a time or loop through a list of any length.
The address is the ten-digit phone number plus the @carrier. The downside is that you have to know what carrier your recipients are using. Lists are available from sites such as: List Of Email-To-SMS Addresses - AVTECH