For CVP 7.x, what methods are available for CVP application session tracking? In CVP 3.1 we could either use cookies or URL-based session tracking? Anything new for CVP 7.x?

Working with a customer that had been using cookies for application session tracking. They ran in to a problem and changed to URL-based session tracking. Problem was as follows:

ICM run ext script for app1
app1 has an " on end call function" specified
ICM run ext script for app2

Details for the problem in SR 610657889. In some cases, app2 would start before the on-end-call handler completed for app1 and the customer would get an unexpected message of "the application is processing end of call".

Customer would like to continue to use cookie based session tracking as URL session tracking adds a session_ID parameter to the URL that makes the VXML page unique, and therefore uncacheable.