Asterisk high CPU

[lisa]

@mjordan

Are you interfacing to any external systems (databases, API servers, etc.), and is Asterisk communicating with them when the issue occurs?

Yes, then what should we look for ?

[lisa]

@mjordan

When the issue occurs, does Asterisk stop processing (a) SIP requests (you’ll stop seeing requests logged, or responses won’t be sent, etc.); (b) new calls (SIP messages are processed but calls hang); © calls are processed but get stuck at parts in the dialplan, etc.

yes, this the issue.
Can you please suggest solution for it ?

[InterLinked]

You will want both debug[1] and a backtrace[2].

[1] Collecting Debug Information - Asterisk Project - Asterisk Project Wiki
[2] Getting a Backtrace - Asterisk Project - Asterisk Project Wiki

[voip.com.vn]

see debug information, it can help you