Delay to receive busy response

Dear All,
I noticed a delay to receive busy status from peer. A log is attached
Your help is really appreciated
delay-busy.txt|attachment](upload://nKkLqcbV7EpalHKoumJQgCKmef6.txt) (39.0 KB)

There’s no actual attachment or information on this post.

Sorry for that,delay-busy.txt (39.0 KB)
delay-busy.txt (39.0 KB)

There’s no delay in that log. The Dial is executed at 17:00:06 and the Busy is received at 17:00:06.

The .txt file is actually a .rtf file.