I have a asterisk 11.17 run in a server has a cpu E5-2640 v3 @ 2.6GHz 32 core, 64G memory.and the active calls is 250. system load is 17 or higher,cpu usage upto 400% sometimes.
Now i have a problem when in a rush hour , somebody call in and the system playback a ivr voice, sometimes the voice have a very bad qulity. the ivr voice code is wav .when we change it to gsm code,the voice change better qulity,but not so good as it play in web brower.
In night ,there is nobody make calls, the ivr voice is good. someone can tell me how to change the situation? Or is there any other information i can tell ,just tell me…thx so much.