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CALLR

CALLR is an extremely helpful app for those who have to deal with call control protocols for their business. You can create a customized call control system that will perform a wide range of functions.

19 Alternatives To CALLR

Applozic

Chat API & In-App Messaging SDK for Mobile & Web Apps Innovate fast, save development cost and delight users with a scalable, secure and customizable Chat
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Google Voice

Google Voice gives you one number for all your phones, voicemail organized in an email format, free…
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OpenTok

Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
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Swift SMS Gateway

SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging.
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Textlocal

Textlocal is an app that allows for individual and group texting. It is designed for businesses that have employers and employees who need to communicate with each other, making it easier to announce group meetings and special announcements.