Your server is posting a 404 error.
Just wanted to give you a heads up.Module IIS Web Core
Notification MapRequestHandler
Handler StaticFile
Error Code 0x80070002
Requested URL http://www.sipsorcery.com:80/eurl.axd/e ... d9f1a0948/
Physical Path E:\web\sipsorceryc\htdocs\eurl.axd\ee3d7c7fb67b164eba4cf13d9f1a0948\
Logon Method Anonymous
Logon User Anonymous