dslrBooth allows your guests to send their photos directly to their mobile phones using an SMS (text) message.
You'll need to setup an account with Twilio, an SMS provider to handle sending out the SMS messages. Refer to the video below for more information. You'll need 3 pieces of information from twilio.
You can find the twilio Account SID and Auth Token under: Programmable SMS > Dashboard. Then press on Show API Credentials in top right-hand corner to get the required Account SID and Auth Token.
Make sure your SMS Number in dslrBooth is registered with twilio. You can check that under: Programmable SMS > Phone Numbers . The purchased # must have SMS capbabilities.
This instructional video outlines how this feature can be configured.