Best Free VoIP Monitoring Software

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

ManageEngine OpManager serves as a VOIP monitoring tool that provides real-time visibility into the performance and quality of voice over IP (VoIP) communications. It tracks key metrics such as call quality, latency, jitter, and packet loss to ensure optimal VoIP performance. With proactive alerting and detailed reporting, OpManager enables IT teams to quickly identify and troubleshoot VoIP issues, ensuring a seamless communication experience. Its intuitive dashboards and visualization features make it easy to monitor and analyze VoIP traffic, helping organizations maintain high-quality voice communications.

Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many more

Network Performance Monitoring Made Easy. Obkio is a simple Network Monitoring and Troubleshooting SaaS solution that allows users to continuously monitor the health of their network and core business applications to improve the end-user experience. The innovative software application identifies the causes of intermittent network, VoIP, video, and applications slowdown in seconds and collect information to quickly troubleshoot problems before they affect your end-users. Deploy network monitoring Agents at strategic locations in a company's offices or network destinations such as data sites, remote sites, external client sites, or public or private clouds to continuously monitor performance using synthetic traffic exchanged every 500ms. Obkio's Agents give you a 360-degree overview of your network by measuring the network metrics like matter most (jitter, latency, packet loss, VoIP quality), and alerting you of any performance degradation.

VoIP Detective is the easiest to use Cisco Call Manager reporting solution available. Offering a free as well as a paid version, VoIP Detective will allow you to view calls to and from extensions on your CUCM cluster, as well as perform detailed troubleshooting. If you would like an easy to use interface to provide call information across your Cisco Call Manager, you owe it to yourself to try out VoIP Detective. Both VoIP Detective free and Pro are quickly deployed as a virtual machine - you can up up and running in 30 minutes.

Cisco ThousandEyes is a cutting-edge network intelligence platform designed to provide organizations with deep visibility into digital experiences across the internet, cloud, and enterprise networks. By leveraging advanced monitoring and analytics, ThousandEyes helps businesses pinpoint, troubleshoot, and resolve performance issues impacting critical applications, websites, and services. Its comprehensive suite of tools offers insights into network performance, application delivery, and user interactions, enabling organizations to ensure seamless connectivity and optimal user experiences. Widely adopted by Fortune 500 companies and SaaS providers, ThousandEyes is a trusted solution for navigating the complexities of modern hybrid and multi-cloud environments, empowering IT teams to proactively manage and optimize their digital ecosystems.

Wireshark is the world’s foremost and widely-used network protocol analyzer. It lets you see what’s happening on your network at a microscopic level and is the de facto (and often de jure) standard across many commercial and non-profit enterprises, government agencies, and educational institutions. Wireshark development thrives thanks to the volunteer contributions of networking experts around the globe and is the continuation of a project started by Gerald Combs in 1998. Wireshark® is a network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It has a rich and powerful feature set and is world’s most popular tool of its kind. It runs on most computing platforms including Windows, macOS, Linux, and UNIX. Network professionals, security experts, developers, and educators around the world use it regularly. It is freely available as open source, and is released under the GNU General Public License version 2.

SIP3 is an end-to-end solution for real-time monitoring, analysis and troubleshooting of network performance in large volumes of traffic. Delight your customers with an impeccable communication service. No matter the size of your business, good customer experience will improve the odds of your success. Monitor live calls and troubleshoot them on the go. Serve your customer needs by providing them with an immediate insight. Grow and scale with SIP3 without sacrificing your data. Instantly get the information you need, no matter how big you are. Focus on your work and stay efficient with a clean and user-friendly interface. Easily integrate SIP3 OpenAPI with any external platform or solution. Stay on the top of your business while monitoring your VoIP network real-time. Diagnose network problems and prevent service disruptions before they actually happen. Follow up with the KPIs that matter for your business without sacrificing your time and resources.

VoIP monitoring software designed for deep critical call QoS metrics and WAN performance insights. With SolarWinds® VoIP & Network Quality Manager (VNQM), you can monitor VoIP performance by analyzing Call Detail Records generated by Cisco CallManager and Avaya Communication Manager, helping you proactively identify and eliminate distortion, latency, and noise. VNQM helps you easily analyze call detail records (CDR) from Cisco and Avaya Communication Managers for metrics such as network jitter and latency and avoid packet delays in VoIP calls. Take advantage of a range of powerful capabilities in SolarWinds VNQM, such as: monitoring VoIP call quality of service (QoS) metrics including jitter, latency, packet loss, and MOS; monitoring site-to-site WAN performance using Cisco IP SLA technology; and correlating call issues with WAN performance for advanced troubleshooting.