Cent OS 5.4, Intel I7, FS 1.2 Latest release , sangoma 101d card with latest driver (wanpipe) PRI circuit. Hardware environment, not Virtual When two people in conference, we are experiencing increased audio delay as call goes longer. Example in a 30 min time period after just 4-5 mins, the delay gets longer and longer reaching almost 1 minute after 15 mins or so. Sangoma has tested card and does not any errors. This happens on two separate machines. Anyone else experienced this problem?