Tutorials:

• Getting Started Part II: Building Your Own Application using PJSIP
• PJSUA Tutorial
• Python SIP Tutorial

Articles:

• Migration from 0.5 series to 0.6 series?
• Media Flow Explained
• Troubleshooting Sound Device Problems
• Troubleshooting Crash Problem on Win32
• Building the Software for Windows 95/98 (win95/98)

Projects:

• GoogleSummerofCode