sipsak ☆

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Description:
SIP Swiss army knife

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: sip voip networking testing cli

Install: brew install sipsak

About:
Sipsak is a command-line testing tool designed for the SIP protocol, functioning much like a Swiss army knife for VoIP diagnostics. It can generate and send SIP requests such as INVITE, REGISTER, and OPTIONS to test server and client behavior. Its main value is providing a lightweight, scriptable utility for developers and network administrators to troubleshoot SIP connectivity and performance issues.

Key Features:

Generates and sends various SIP requests (INVITE, REGISTER, BYE, etc.)
Supports SIP over UDP, TCP, and TLS
Calculates and verifies SIP message digest authentication
Measures response times and latency for performance testing

Use Cases:

Verifying SIP server availability and response times
Troubleshooting SIP authentication issues
Generating load for basic SIP server performance testing
Debugging SIP client behavior and message routing

Alternatives:

sipp – Sipp is a more complex tool focused on generating high-volume SIP traffic for load testing, whereas sipsak is simpler and better for targeted diagnostics.
sipcmd – Sipcmd is a command-line caller that can initiate calls, while sipsak is more focused on sending raw SIP messages for testing purposes.

Version History

Detected	Rev	Change	Commit
Apr 27, 2026 1:36am	1	REVISION_ONLY	0949cfbd
Sep 15, 2025 10:37am	0	VERSION_BUMP	e9437216
Sep 13, 2024 11:45pm	0	VERSION_BUMP	045f5364
Sep 24, 2023 5:29pm	0	VERSION_BUMP	ac04a4fd