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Modernization of a VoIP Mobile App

Modernization of a VoIP Mobile App

iOS, Mobile


Glotes, a VoIP service provider.


Glotes needed to redesign existing iPhone app that was only able to communicate via loopback VoIP means. The Customer was looking for skilled iOS developers who would enable VoIP dialing and call handling right from the app.


With over 10 years of delivering telecommunication software, ScienceSoft redesigned existing iPhone app using open source library pjsip, under the condition that the Customer would offer his application for free.

The developed app fully supports incoming and outgoing VoIP calls and contains single “VoIP dial” button and incoming VoIP call view.


Glotes received a complete solution that allows users to make phone calls using VoIP telephony right from the app. The project was finished on time and within the budget.


MacOS X 10.6, XCode 3, iPhone SDK 3, UIKit, pjsip library.

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