sngrep
A terminal-based SIP message flow viewer with ncurses interface for real-time VoIP debugging.
What is sngrep?
sngrep is a terminal-based network tool specifically designed for analyzing SIP (Session Initiation Protocol) message flows in VoIP systems. It captures and displays SIP signaling messages in real-time, allowing developers and network engineers to visualize call setups, teardowns, and other SIP transactions. The tool helps debug VoIP communication issues by providing clear flow diagrams of SIP dialogs directly in the command line interface.
VoIP developers, telecommunications engineers, and network administrators who work with SIP-based systems and need efficient terminal-based tools for protocol analysis and debugging.
Unlike general packet analyzers, sngrep specializes in SIP protocol visualization with an intuitive ncurses interface that shows complete call flows. It's lightweight, runs entirely in terminal, and provides SIP-specific features not available in broader network tools.
Overview
Ncurses SIP Messages flow viewer
Use Cases
Best For
- Debugging SIP call setup failures in VoIP systems
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