I would guess your back-end database is causing the slowdown. Without knowing, well, anything about your setup, it will be hard to say.

I have seen both acc and sip_trace cause latency when the tables got too big.

On 7/16/10, hala alramli doreme202002@yahoo.com wrote:

Hello, some time ,there is no signal in phone line for a while ,also the server become very slow then it fix him self ,i don't know how . ,could any body give me possible reasons ,and how i can fix that, i checked syslog file every thing normal as i can see ,please help me. regards, hala