ABTO SIP SDK provides a solution to quickly build VoIP softphone that
can dial and receive calls on your computer or add VoIP features into your software or web website.
Our powerful and highly customizable VoIP client designed as ActiveX control and has
wide range of Features: fully-customizable user interface and brand name, conference
call, multiline features, ability to send text messages, dynamically loadable codec’s,
DTMF support, adaptive silence detection, adaptive jitter buffer, work through firewall
or NAT, and more.
Also ABTO SIP SDK is based on IETF standards (SIP, STUN, etc.) so it is compatible with
standard registrars such as Asterisk, Elastix, 3CX etc.
You are welcome to download the latest full functional version of ABTO SIP SDK
(with C++, C#, Delphi, VB.net, and VB6 examples), benefit from free consulting,
and order application with required support period.
Please check our other solutions page to try RTP SDK (for send and receive sound by RTP protocol)
and T38 Modem (for send and receive faxes using SIP protocol with existing fax applications).
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Sample Softphone Application,
Sources available upon download
Our Customers:
Also check out our new
Create effective and fast Server (registrar)!
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