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

SIP DLL SDK

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

SIP ZRTP client

ABTO Software’s VoIP SIP SDK is proud to present a new feature – ZRTP support for mobile platforms: iOS and Android.Using our SDK you are able to build custom sip zrtp client for iOS and Android. Currently realization allows ZRTP … READ MORE

Early media use

You can use VoIP SIP SDK to make a custom intercom. Obviously you can make a connection to communicate before you open the door. However, one of the basic features of this solution is to be able to see the … READ MORE

STUN use

We are receiving many questions about STUN use. STUN means Session Traversal Utilities for  NAT (Network Address Translator). When using STUN is a good idea: If you do not receive video and audio because remote side can not send media. … READ MORE