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ABTO Software is a company with US sales office and Eastern Europe based development center. Our employees develop, sell, and provide technological support for our VoIP SIP SDK solutions for different platforms including Windows, Android, and iPhone. You can contact us to receive consulting regarding VoIP solutions, request more information about our products or estimation for a custom software solution.
If you have any questions or requests regarding the softphone solutions, please contact our Customer Service Representative by calling at 1-773-800-2875, sending us e-mail to support@voipsipsdk.com or using our contact form.
In order to communicate regarding purchasing our software solution, please send us e-mail to sales@voipsipsdk.com.
Please check our FAQ and blog before sending technical questions. We regularly check our e-mail so you will receive our reply within 24 hours.
ABTO Software VoIP SIP SDK is a very useful product combined with a first class service. Thanks to ABTO Software for immediate responses with really useful hints and solutions.
Uwe Markus
