ABTO Software's VoIP SIP softphone SDK (home page) - ABTO Softwa

[/cart] FAQ Documentation Contact Us Toggle navigation Download or Buy SDK Pricing Get a Quote for SDK Get a Quote for Project Apps Basic4Android RTP SDK VoIP H.323 SDK SIP SDK for Windows CE T38 Modem News Support Open a Ticket Testimonials Abto VoIP SIP SDK Add voice and video calls to your application or develop a custom SIP softphone Fully functional trial SDK One-time payment Excellent technical support and frequent updates for Windows for Android for IOS for Web 13 Years of market expirience 1000+ Satisfied customers 94% Positive Feedbacks 90+ Countries we work with Latest News Windows VOIP SIP SDK – managed or native dll? VoIP SIP SDK for IP door phones Android VOIP SIP SDK running in background Testimonials Clay Greene President at PictureWindow Software LLC http://www.pwin.com “I just wanted to tell you how happy I am with your Abto SIP SDK. Your SDK was easy to get started with and all of the SIP functions that you’ve implemented work properly. Thank you for a quality product. “ Peter Bagshaw Director New York Software Consultancy http://www.nysc.co.uk “I had been looking at many of the VOIP SDK’s that were, nearly all were too complex and did not have full working demos. What impressed me about Abto Voip SDK was the working demo app has all the common and some mo ...learn more re advanced features. Highly recommended VoIP SIP SDK, fully featured and highly productive.“ Uwe Markus Managing director https://markussoft.de “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.“ Our Clients I need SIP Softphone SIP Server H.323 Softphone RTP SDK T.38 Modem for All Platforms Windows iOS Mac OS Linux (under Wine) Android Web I want to develop it on: VoIP SIP SDK for C++>> VoIP SIP SDK for C#>> VoIP SIP SDK for Visual Basic>> VoIP SIP SDK for Delphi>> VoIP SIP SDK for Delphi XE>> VoIP SIP SDK for Java>> VoIP SIP SDK for objective-C>> VoIP SIP SDK for Swift>> VoIP SIP SDK for Xamarin>> HTML5 sip softphone>> VoIP SIP Server for Windows>> RTP SDK for Windows>> VoIP SIP SDK for Windows CE>> VoIP H.323 SDK for Windows>> T.38 Modem for Windows>> VoIP SIP SDK for Mac OS>> Get in touch Check FAQ first Skype: voip.sip.sdk sales@voipsipsdk.com Codecs H.263, H.264, VP8 G.711, G.723, G.726, G.729A OPUS, iLBC, LPC-10 Speex, L16, GSM License Details One time payment No per-seat licensing Fully functional trial SDK Tech support via e-mail Frequent updates © 2007 – 2022 Abto Software ® This site uses cookies to offer you better services. By using our site, you acknowledge that you have read and understand our Privacy Policy . Your use of Abtosoftware website is subject to these policies. Accept Privacy & Cookies Policy Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience. Necessary Necessary Always Enabled Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. Non-necessary Non-necessary Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website. SAVE & ACCEPT