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WlanHelper: How to Use It in Windows
Post Views: 93 WlanHelper.exe is a command-line tool from the Windows Driver Kit (WDK) and the folks at nmap/npcap that is used to manipulate advanced Wi-Fi driver settings, especially for testing and development. It allows you to control wireless network adapter settings such as: Do You Already Have WlanHelper? It’s possible if you have installed
Some VoIP Troubleshooting Checklists and Tools
Post Views: 99 Here are several VoIP troubleshooting checklists and tools, organized by focus area to help quickly identify and resolve common issues. These checklists are especially useful for IT admins, NOC teams, and VoIP engineers. Are they “the bees knees” of troubleshooting VoIP? No. In fact, if you have feedback or comments on improving
Why is a Wider Wi-Fi Channel Faster?
Post Views: 177 This is a common and great question. Simply answered, a wider channel in Wi-Fi results in higher bandwidth and throughput because it allows more data to be transmitted simultaneously. Here’s a breakdown of why: Channel Width and Frequency Space More Subcarriers = More Data Streams More specifically, in a 20 MHz channel,
Capturing Wi-Fi Beacon Frames with WinFi
Post Views: 251 As a frequent reader here will know, my Wi-Fi Analyzer of choice is called WinFi. It has been around many years as is fabulous. In version 2, and the new version 3, you can capture Wi-Fi Beacon Frames and examine them. This post will explain what you can capture and how this
VoIP Troubleshooting with PJSIP
Post Views: 209 PJSIP 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
What are and how to use SIP Pings in VoIP
Post Views: 237 This article discusses what SIP pings are, and how to use them in troubleshooting VoIP (Voice over IP) networking. A SIP ping in VoIP is a diagnostic method used to check the availability and responsiveness of a SIP (Session Initiation Protocol) server or endpoint. It’s similar in concept to an ICMP ping,
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