This feature is part of Practo Ray Pro.
How to I edit a SMS campaign?
You can edit your SMS campaign from the SMS Center. Here you can change the recipients for the offer you’ve chosen on the left, and change the content of the message on the right.
How do I resend a SMS campaign?
Once you’ve sent an SMS campaign, you can choose to resend it whenever you want. Under the communications tab, click on the Campaign Tab. Here you can see the list of campaigns that you’ve sent and, on the right, you’ll see the Resend option.