Views: 3,043PJSIP is a free, open-source multimedia communication library written in C that is used for troubleshooting VoIP. PJSIP implements standard-based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE, targeting VoIP (Voice over IP) applications, including SIP signaling and media handling. You will find the project at github here. What Is the PJSIP
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Views: 8,380When testing the Internet, there are several key tools we use in troubleshooting: one of them is ping. To verify a particular IP address is operational we “ping 192.168.0.1” from the command line to see if we get an answer back, letting us know that the system we are pinging and the network itself
SIP Testing and Troubleshooting with sipsak Read More »
Views: 5,713When you run a speed test, you are testing several key aspects of your internet connection. The purpose is to measure the performance of your connection to the internet in terms of download speed, upload speed, latency or delay, and jitter or delay variation. The problem is that not all speed tests are equal.
What does an Internet Speed Test actually test? Read More »
Views: 7,809As many of you who have been in my classes, or are my clients, know, I am not a fan of the accuracy and meaning of speed tests. Perhaps I am being a little technical here. Over the next several posts, I want to provide some detailed information on Speed Tests. I thought the
What are the best Speed Test tools? Read More »
Views: 15,568A CLEAR WORD OF CAUTION – ONLY USE THIS TOOL WHERE YOU HAVE PERMISSION. THIS ARTICLE IS OFFERRED FOR LEARNING PURPOSES ONLY. Hping3 is a network tool designed for packet crafting and analysis, similar to Scapy but with a more command-line-oriented interface. It is often used for testing and troubleshooting network infrastructure, performing security
What is, and how can you use hping3? Read More »
Views: 12,649In this article we will get you started with the iPerf tool. We will be using it in a Linux environment, but know that it is available for all systems at http://iperf.fr. iPerf is used to test performance, throughput, packet loss, and jitter on TCP/IP networks. iPerf defaults to testing TCP – port number 5002.
Getting started with iPerf – an illustrated step by step procedure Read More »
Views: 2,767As a follow on to our DNS In Depth article, we wanted to provide a reference to a great tool. One of the important impacts to how fast the Internet works for users is how fast the Domain Name Service responds to database requests. For example, if you type www.cellstream.com into your URL and it
Testing/Baselining DNS Server Performance Read More »
