Happy Easter!

Dear partners and visitors, We are wishing you a very Happy Easter that is filled with plenty of love and happiness. Thank you for your cooperation in improving and development of our VoIP products. We hope to continue supporting your … READ MORE


We often receive the following questions about our ABTO Software’s VoIP SIP SDK for Windows: is it implemented as native SIP DLL SDK or as ActiveX (COM) object. how to integrate SDK into own application. The answer is that VoIP … READ MORE