Hi Bogdan,
Please, post this question in the Small Business Routers community as that community is observed by experts in that field. This community is for Cisco WebEx Meetings Server and MeetingPlace products, and we don't have experience with the product you are using.
Browse support forums to get to the appropriate community:
Home > NetPro > Small Business Support Community > Small Business Routers
I hope this helps.
-Dejan