Before Renewing My Account..

We have come up again to renew our account..Before we do that I have some questions..

My site is runinng on two domains..Vbseo is not installed yet..
I want to cancel one of the domains and transfer all its indexed URL's to the one domain..Moreover, here is my need in detailed..
www.mysite1.com/showthread.php?t=541676
www.mysite2.com/showthread.php?t=541676
That two domain sharing same folders and db..
What I want is to transfer all mysite1 indexed pages to mysite2 which I gonna renew my vbseo account for..

So it is going to be,
When www.mysite1.com/showthread.php?t=541676 clicked in search engine,it is going to transfer to www.mysite2.com/topic_title.html domain URL..

And I know the most secure way to transfer one domain to another is 301 redirect but I think my sitution is little diffrent then and it requires more information on rewrite..I might be wrong..

Pls provide me some information steps about transfering as vbulletin seo specialist before I renew my account here..

You'll set-up a 301 redirect on mysite1.com. It will forward everything to the equivalent on mysite2.com.

Please open a support ticket and provide your real domain names so the team can give you the new .htaccess directives.

As you suggest Joe,I opened new ticket..
Waiting for solutions..