http://www.mastertheboss.com/jboss-jbpm/jbpm6/introduction-to-jbpm-6

http://www.mastertheboss.com/jboss-jbpm/jbpm6/jbpm-6-web-application-example

https://access.redhat.com/videos/872003

Reference Book about SIP

SIP: Understanding the Session Initiation Protocol, Fourth Edition

A DEEP DIVE INTO THE SIP PUBLISH/ SBSCRIBE METHOD

https://andrewjprokop.wordpress.com/2015/03/17/a-deep-dive-into-the-sip-publish-method/

https://andrewjprokop.wordpress.com/2015/03/11/a-deep-dive-into-sip-subscriptions/

IMS & Initial Filter Criteria

http://theimslantern.blogspot.tw/2007/06/ims-service-routing-big-picture.html

http://theimslantern.blogspot.tw/2007/07/ims-service-routing-service-profile.html

Kamailio 3.0.x and Asterisk 1.6.2 Realtime Integration using Asterisk Database

Forward Register Example

http://kb.asipto.com/asterisk:realtime:kamailio-3.0.x-asterisk-1.6.2-astdb,

Project Management Zone

http://project-management.zone/

Java Class Loader

https://www.ibm.com/developerworks/cn/java/j-lo-classloader/ http://www.blogjava.net/jackjhy/archive/2008/05/30/204163.html