I have read several posts about this but I have not found a conclusion. I had no problems until I upgraded to 1.5 I was at 1.3. System Specs: PIII with 512M Ram 40gig hd. all sip trunks no FXO or FXS hardware. I am now getting 100 percent cpu usage and my hard drive is filling up. with what I don't know. any help would be appreciated.