What is “sngrep” Package?

Command-line tool for displaying SIP calls message flows
For more details: https://github.com/irontec/sngrep

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install sngrep.

  brew install sngrep

Now, use sngrep!