OpenSIPS default script
http://www.opensips.org/html/docs/video/webinar005/
Types of Routs in OpenSIPS
http://www.opensips.org/html/docs/video/webinar003/
Routing in SIP
http://www.opensips.org/html/docs/video/webinar002/
Introduction to OpenSIPS
http://www.opensips.org/html/docs/video/webinar001/
Development Tutorial
http://www.opensips.org/Documentation/Development-Tutorials
youtube Video
http://www.youtube.com/watch?v=xR4RylCNviI&list=PLLCYLy5T7bX9XdfB0XJTVyo-HVGY0EFbY
Dynamic Routing, Dispatcher and Dialplan partitions
http://lists.opensips.org/pipermail/news/2014-August/000330.html