[Serusers] Suggestion Required

Hi friends, I am new in OpenSER, I want to use it only for SIP Proxying with freeradius. I made plan to install openser with freeradius on Virtual Server to get only 100 cuncurent calls. 1- Is it possible to install on Virtual Server? 2- Which Codecs or used, because i want to calculate the bandhwidth according to the codec? 3- What RAM should be used to handel 100 cuncurent calls? 4- It can accept h323-credit-time from radius to control max credit call time? I will appriciate for your kind of suggestion. Regards, __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com