You can manually add recipients, or recipients can choose to opt in to your member list via text message.
It's easy to organize and add to your member lists with CallMultiplier. Upload a spreadsheet, enter names and numbers manually,
or let people opt in via text message to receive future messages.
Some important notes about our Opt In Via Text Message feature:
•When someone opts in, they will get an auto-response text message confirming they've joined your group.
•You will see the phone number of everyone that opts in, but not their names.
You can choose to have opt-in members automatically added to a specific subgroup