SIPp 2.0.1

Nero Sipps ❘ Open Source

SIPp: The Flexible Testing Tool for SIP Protocols

Boris Weber

02/11/2025

SIPp by Nero Sipps provides a robust platform for stress testing and performance benchmarking of SIP (Session Initiation Protocol) applications, making it a must-have tool for developers and network engineers.

SIPp is a freely available open-source test tool used for the evaluation and performance testing of SIP-based VoIP products and services. Developed by Nero Sipps, this tool is widely used to simulate SIP traffic under a variety of circumstances and test the robustness and scalability of SIP products.

SIPp is popular for its versatility and ease of use. It can perform a range of tests, including call flow, message flow, and media flow, using a variety of codecs and transport protocols. It can run as a standalone tool or as part of a larger testing system.

SIPp's simple command-line interface makes it easy to configure test scenarios, enabling users to simulate real-world traffic patterns. It can also generate reports that highlight critical performance metrics such as call quality, latency, and packet loss.

SIPp is an ideal tool for developers, QA engineers, and network administrators who want to test, validate and optimize their SIP-based products and services. It is being continuously updated with new features and improvements to ensure that it remains an effective tool for evaluating VoIP solutions.

Overview

SIPp is a Open Source software in the category Desktop developed by Nero Sipps.

The latest version of SIPp is 2.0.1, released on 02/18/2008. It was initially added to our database on 10/30/2007.

SIPp runs on the following operating systems: Windows.

SIPp has not been rated by our users yet.

Pros

Open-source and freely available to use
Cross-platform compatibility (works on Windows, Linux, and Mac OS)
Supports multiple signaling protocols (SIP, RTP, UDP, TCP, TLS)
Ability to simulate various real-time scenarios for testing voice over IP (VoIP) applications
Comprehensive documentation and user community for support
Flexible scripting language for creating customized test scenarios

Cons

Steep learning curve for beginners due to its complexity
Limited graphical user interface (GUI) which can be challenging for users unfamiliar with command-line interfaces
Occasional stability issues reported by some users
Requires a solid understanding of SIP protocol to effectively use the tool

FAQ

What is SIPp?

SIPp is an open-source testing tool used to simulate various SIP scenarios for performance testing, functional testing, and regression testing of VoIP infrastructure.

Who developed SIPp?

SIPp was originally developed by HP as part of the OpenCall Media Platform project and is now maintained by a community of contributors.

What are the main features of SIPp?

SIPp provides support for making thousands of concurrent SIP calls, handling multiple media types, scripting scenarios using XML, RTP statistics reporting, and offers extensive configuration options.

Which operating systems are supported by SIPp?

SIPp is compatible with various operating systems, including Linux, macOS, Windows, and Unix-like systems.

Can SIPp be integrated with other testing tools or frameworks?

Yes, SIPp offers integration capabilities with tools like Jenkins, Tsung, Selenium, and JUnit.

What scripting language does SIPp use?

SIPp uses an XML-based scripting language to define test scenarios which allows for easy customization and extensibility.

Is there any graphical user interface (GUI) for SIPp?

No, SIPp primarily operates through the command-line interface (CLI) but offers powerful command-line options for test management and result analysis.

Can SIPp perform load testing on a SIP server?

Yes, SIPp can generate heavy traffic loads on a SIP server to assess its performance and capacity under stress conditions.

Does SIPp support encrypted SIP traffic (TLS) and authentication mechanisms?

Yes, SIPp supports TLS for encrypted SIP communication and provides authentication mechanisms such as Digest Authentication based on real-world scenarios.

Is SIPp suitable for testing real-time communications applications?

Yes, SIPp is widely used to test VoIP applications, softphones, IP-PBX systems, SBCs (Session Border Controllers), and other SIP-based communication platforms.

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

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