RTP SDK update (APR 11, 2013)

Posted on April 11, 2013August 12, 2013

Please go to RTP SDK page to download the latest version of solution, which works in Windows 8.

Happy Easter 2013!

Posted on April 1, 2013

ABTO Software and VoIP SIP SDK department congratulate our current and future clients with Easter.

SDK update (Mar 26, 2013)

Posted on March 27, 2013August 12, 2013

We released new version of VoIP SIP SDK for Windows. Recent changes list: 01/02/2013 241. Added code that reset RTP stream settings in decode when received packet with MARK. 05/02/2013 242. Improved video rendering. 25/02/2013 243. Added ability to reset … READ MORE

IVR solution on the basis of VoIP SIP SDK

Posted on February 19, 2013August 12, 2013

ABTO Software is proud to announce release of IVR VoIP SIP SDK – customizable interactive voice response software solution on the basis of winning ABTO Software’s VoIP SIP SDK. IVR VoIP SIP SDK supports multiple lines and all features of … READ MORE

SDK Update (Feb 01, 2013)

Posted on February 1, 2013August 12, 2013

We released new version 4.6 of VoIP SIP SDK. Recent changes list: 234. Added new functionality to prevent lost DTMF: a. Default payload type for DTMF codec is set to 101, instead of 99. b. Added code that checks is … READ MORE

Video sample on App Store

Posted on January 29, 2013August 12, 2013

ABTO Software is proud to announce publishing a softphone sample app with video support on App Store: https://itunes.apple.com/us/app/abtovoipclient/id527208668 Please enjoy it and contact us when you decide to purchase our VoIP SIP SDK for iPhone.

Flash softphone update

Posted on January 16, 2013August 12, 2013

We have new flash softphone demo that supports full screen mode in good quality. If you are interested please request a demo.

Subproducts

Posted on January 16, 2013May 6, 2025

We added a new section on our website – Subproducts. You are welcome to visit new pages and evaluate our custom solutions.

SDK update (Jan 15, 2013)

Posted on January 15, 2013August 12, 2013

We released new version of VoIP SIP SDK. Recent changes list: 07/12/2012 Added new method IAbtoPhone::StartSendingNoise(LONG Tone1AmpPromille, LONG Tone2AmpPromille, LONG IntervalMs, LONG FrequencyHz) Modified handling early media in cases when remote side generates different values for field ‘Tag’ in header ‘To’ … READ MORE

Pay attention

Posted on January 14, 2013August 12, 2013

Attention: www. voip-sip-sdk. com is not our website. Some customers ask us whether www voip-sip-sdk com is our website. The answer is no. After long time that we have used www.voipsipsdk.com, other company made the mentioned website, but it has … READ MORE