I have integrate a VOIP solution some years ago it was written in jScript and was done to the CRM of a middle size company in Switzerland. I have very much exerience with APIs and will be able to do it fast aPlus
5* rated in elance,upwork,freelancer and guru with 90% completion rate! Experts in php/wordpress/java/Google App Script/android apps
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Please let me know your requirement in detail to move forward, I can start right away.
I am professional developer having 8+ years of work experience and full time freelancer and expertise with PHP/MYSQL/COPlus
I am having around 13 years of experience in mobile & .NET technologies. I am expert in CSS, HTML, asp.net MVC, Web API, asp.net, WPF, AngularJs, TypeScript, ExtJS, YUI, JQuery, Bootstrapper framewoPlus