如何使用C#调用SIP协议

Question

如题，如何使用C#调用SIP协议。

Answer 1

试试SIP .NET：

SIP .NET is Session Initiation Protocol API for .NET Framework and .NET Compact Framework. Built from same source code all classes and methods support Microsoft .NET Framework and Microsoft .NET Compact Framework. The API is written in 100% managed C# code.

Answer 2

谁实现过SIP服务端，或者有没有开源的?