thank you for your quick reply...
I wanted to avoid opening a new thread for my question only, but I disregarded to say that I do have a frsh install of PR1.3 global ed. , fresh vainilla MMC flash... and after further testing found that after CSSU the skype video calls are also compromised... Below I attached a list of apps installed from Fast app manager.
Skype calls drop after my camera is turn off while the other side is streaming succesfully