sngrep ☆
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Description:
Command-line tool for displaying SIP calls message flows
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Networking
Tags: sip voip networking monitoring command-line telecommunications
Install: brew install sngrep
About:
Sngrep is a powerful command-line tool for capturing and visualizing SIP communications in real-time. It displays SIP call flows and message sequences in an intuitive, ncurses-based interface, making it easier to analyze complex SIP interactions. The tool supports filtering and saving captures to PCAP files for deeper analysis.
Key Features:
  • Real-time SIP call flow visualization
  • ncurses-based interactive interface
  • Powerful filtering and search capabilities
  • Export to PCAP format for Wireshark analysis
  • Support for TLS-encrypted SIP traffic
Use Cases:
  • Debugging SIP call setup and termination issues
  • Analyzing SIP message sequences in VoIP systems
  • Monitoring real-time SIP traffic on production servers
  • Troubleshooting SIP trunking problems
Alternatives:
  • Wireshark – Wireshark provides GUI-based packet analysis but is heavier and less focused on SIP call flows
  • tcpdump – tcpdump captures raw packets but lacks SIP-specific visualization and filtering
Version History
Detected Version Rev Change Commit
May 11, 2026 2:37pm 1 REVISION_ONLY 5ae249c9
Sep 15, 2025 5:46pm 0 VERSION_BUMP d5a93b77
Sep 15, 2025 8:48am 0 VERSION_BUMP 84a5d3cc
Sep 13, 2024 11:00pm 0 VERSION_BUMP 6d590b42
Jul 8, 2024 9:55am 0 VERSION_BUMP aefbcefa
Sep 24, 2023 8:59pm 0 VERSION_BUMP b061db2f
Jan 12, 2023 5:13pm 0 VERSION_BUMP ac357d99
Jan 12, 2023 5:13pm 0 VERSION_BUMP 07df0574
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