Introduction - If you have any usage issues, please Google them yourself
Sipek Softphone is an open source project that is intended to share common VoIP software design concepts and practices. Beside that it s a simple and easy-to-use SIP softphone with many useful features.
New version released - Sipek Softphone v0.3 - see downloads section.
Sipek softphone is a C# application based on SipekSDK project. The SIP part is powered by a great SIP stack PJSIP. The bridge between unamanaged pjsip code (C) and managed .Net GUI (C#) is implemented in a simple pjsip .Net Wrapper.
Sipek use C# Audio library http://www.codeproject.com/KB/graphics/AudioLib.aspx for windows mixer controls.
The Sipek s simple software design enables efficient development, easy upgrading and user interface customizations.