The Duall SMS is an Excellent Application for Sending Bulk SMS.
Duall SMS is an excellent mass SMS sending app, serving as a new communication channel for your business marketing.
What's New in the Latest Version 1.1.2
Last updated on oct 23, 2016 - uses new server certificate; - Treats login errors message; - Allows you to send more detailed errors to support; - Avoid repeated views of the same error message.
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