Standard VoIP SIP SDK
VoIP SIP SDK makes communication a pleasant experience 
ABTO Software offers VoIP SIP SDK, which stands for Voice over Internet Protocol Session Initiation Protocol Software Development Kit. On the basis of our SDK developers are able to create customized softphone client solutions for corporate customers and individual users. ABTO VoIP SIP SDK installation includes a number of finished softphone samples, which can be used even by experienced users, which can contact us to modify these applications according to their needs.
Developers with limited experience may find useful to read detailed documentation and other information, provided on our website, as well as to receive support from our team via collaboration tools. In addition to development of desktop applications, our ActiveX-based solution can be used for adding VoIP features to more complex systems like ERP, CRM or call center software and supporting communication on websites and social networks.
ABTO Software’s VoIP SIP SDK for Windows is a complex solution that includes wide range of features. For example, it provides support of conference calls, multiline, and exchange of text messages. You can dynamically load codec and change network interface. Our VoIP SDK supports Dual-tone multi-frequency (DTMF), adaptive silence detection, and adaptive jitter buffer. It prevents echo and can work through firewall or NAT. Also the SDK is based on IETF standards such as STUN that make it compatible with standard registrars like Asterisk, Elastix, and 3CX. Whether you are experienced or novice user of VoIP solutions, we would like to suggest you to visit our Features page to be impressed by full set of possibilities that you have with our SIP SDK.
Everything is easier when you have VoIP SIP SDK!
Software application allows you to organize conference calls, build call centers and training centers, or even create your own softphone and sell it under your brand. Whether you are experienced developer or employee of a big telecommunication company we encourage you to download our trial to evaluate our SDK for 10 days, contact us to ask questions, receive free technical consulting, and consider ordering ABTO Software’s VoIP SIP SDK with long term support.
Please visit our website periodically to monitor all planned changes, updates and new offers. To try our SIP SDK for 10 days please visit our Download page. Your feedback is very important to us so feel free to communicate us your experience with the solution and what we can do to make the SDK suitable for your project.
In order to receive our price quote, please use the form on our Order page. Our sales representative will contact you briefly after that using the provided contact details.