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

Winter Holidays Greetings!

Posted on December 26, 2012December 26, 2012

ABTO Software congratulates with Winter Holidays! Merry Christmas and a very Happy New 2013 Year!

Video VoIP SIP SDK for iPhone

Posted on December 21, 2012May 3, 2019

After long hours of dedication to work, ABTO Software finished development of Video version of VoIP SIP SDK for iPhone. In order to try VoIP SIP SDK for iOS use our download or contact form.

Multiple call dialer

Posted on December 20, 2012May 3, 2019

In order to satisfy our customers that require using more than 8 lines per sample, ABTOSoftware developed a version with unlimited number of lines. So now you can use only one sample to make multiple call dialer that makes a … READ MORE

H323 SDK available

Posted on December 17, 2012May 3, 2019

Sometimes our customers inquire about H323 support in VoIP SIP SDK. In fact, there is no such support in this product. However we have another solution suitable for this task – H323 SDK. So please let us know that you … READ MORE