CPU load exceeds 40 after using ooh323 module

After I use the ooh323 module (docked with avaya device), the CPU is very high, I only have 5 extensions, and the phone volume is very small, asterisk runs for about two days, the operating system CPU load will rise to very high(restart asterisk service After that, the CPU load will return to normal), I use It is E3 4 core CPU, 8G memory.
I tracked some information through pstack, as well as my ooh323 configuration information with full.logBacktrace.txt (58.4 KB) full.txt (12.2 KB) ooh323.txt (7.2 KB)