List of the Top 10 Free VoIP Monitoring Software in 2025

Site24x7 offers an integrated cloud monitoring solution designed to enhance IT operations and DevOps for organizations of all sizes. This platform assesses the actual experiences of users interacting with websites and applications on both desktop and mobile platforms. DevOps teams benefit from capabilities that allow them to oversee and diagnose issues in applications and servers, along with monitoring their network infrastructure, which encompasses both private and public cloud environments. The comprehensive end-user experience monitoring is facilitated from over 100 locations worldwide, utilizing a range of wireless carriers to ensure thorough coverage and insight into performance. By leveraging such extensive monitoring features, organizations can significantly improve their operational efficiency and user satisfaction.

Paessler PRTG offers a comprehensive monitoring solution characterized by its easy-to-navigate interface, which is driven by an advanced monitoring engine. By streamlining connections and managing workloads efficiently, it helps to lower operational expenses and avert potential outages. Additionally, it enhances time management and ensures compliance with service level agreements (SLAs). The platform is equipped with an array of specialized monitoring capabilities, including customizable alerting, cluster failover mechanisms, distributed monitoring, as well as detailed maps and dashboards, all complemented by extensive reporting functionalities. With its robust features, PRTG empowers organizations to maintain optimal performance and address issues proactively.

ManageEngine OpManager functions as a monitoring solution for Voice over IP (VoIP), offering instant insights into the performance and quality of VoIP communications. It monitors essential metrics like call quality, latency, jitter, and packet loss to guarantee peak VoIP functionality. With its proactive alerting system and comprehensive reporting capabilities, OpManager empowers IT professionals to swiftly detect and resolve VoIP-related challenges, facilitating uninterrupted communication. The user-friendly dashboards and visualization tools simplify the monitoring and analysis of VoIP traffic, allowing organizations to uphold superior voice communication standards.

Obkio offers a straightforward solution for Network Monitoring and Troubleshooting as a SaaS platform, enabling users to keep track of their network's health and the performance of essential business applications, thereby enhancing the experience for end-users. In mere seconds, Obkio can detect the root causes of sporadic network disruptions, as well as slowdowns in VoIP, video, and applications, allowing for timely troubleshooting before it impacts users. You can set up monitoring agents at key positions within a company's infrastructure or various network locations, including data centers, remote offices, client sites, or across both public and private clouds, to ensure ongoing performance tracking through synthetic traffic that is exchanged every 500 milliseconds. Obkio systematically evaluates and tracks vital network metrics, which encompass latency, jitter, packet loss, quality of service, and customer experience through Quality of Experience (QoE) assessments. The application promptly notifies you when any issue arises or even when potential failures are detected, not only identifying the problem's source but also providing the capability to retrospectively analyze the situation for comprehensive diagnostics. This proactive approach to network monitoring ensures that businesses can maintain optimal performance and address issues before they escalate, ultimately leading to a more reliable user experience.

Introducing a video quality control tool, this software solution enables effective quality management and measurement of QoS across all segments of distributed networks via UDP streams. With probes operational 24/7, users gain comprehensive oversight of their network. Initiating stream monitoring takes less than 30 minutes, allowing for significant savings on equipment and network upkeep. The web interface is designed for ease of use, featuring an intuitive data layout that enhances user experience. Ongoing quality assessment and swift rectification of any issues help maintain a loyal customer base. This tool can be utilized as a cloud-based service or as a standalone option for local networks. Elecard Boro software probes diligently track packet loss, video freezes, and SCTE35 labels across various protocols, including UDP, HLS, DASH, RTP, and HTTP. This solution not only facilitates quick and cost-effective monitoring of content delivery networks but also aids in identifying the most prevalent issues. By implementing this advanced tool, organizations can ensure high service quality and customer satisfaction consistently.

VoIP Detective stands out as the most intuitive reporting tool for Cisco Call Manager. This tool comes in both a complimentary and a premium version, enabling users to monitor calls made to and from extensions within their CUCM cluster while also facilitating in-depth troubleshooting. With its easy-to-navigate interface, VoIP Detective effectively transmits call data to Cisco Call Manager. Additionally, both the free and Pro versions can be swiftly deployed as virtual machines, allowing for setup in under 30 minutes, making it accessible for users in various environments. The efficiency and simplicity of VoIP Detective make it an essential resource for anyone managing Cisco Call Manager systems.

Cisco ThousandEyes stands out as a cutting-edge platform designed to provide organizations with deep insights into digital interactions across diverse environments, such as the internet, cloud services, and enterprise networks. By leveraging advanced monitoring and analytical tools, ThousandEyes allows businesses to pinpoint, diagnose, and resolve performance issues that may impact critical applications, websites, and services. With its comprehensive suite of features, the platform offers essential information about network performance, application delivery, and user engagement, enabling organizations to sustain seamless connectivity and elevate user experiences. Many Fortune 500 companies and SaaS providers have adopted this platform, solidifying its reputation as a dependable solution for managing the complexities of modern hybrid and multi-cloud environments. Furthermore, ThousandEyes enhances the capabilities of IT teams by providing them with robust tools to proactively manage, optimize, and adjust their digital infrastructures, ultimately leading to increased operational efficiency and reliability in service delivery. As a result, organizations are better equipped to adapt swiftly to changing demands and ensure that their digital ecosystems function smoothly.

Wireshark is recognized as the premier and most extensively used network protocol analyzer globally. This powerful tool provides users with the ability to scrutinize the complex details of their network interactions and has established itself as the go-to reference for numerous sectors, such as businesses, non-profit organizations, governmental entities, and educational institutions. The ongoing evolution of Wireshark is supported by the contributions of networking experts from across the globe, stemming from a project launched by Gerald Combs back in 1998. As an interactive network protocol analyzer, Wireshark permits users to capture and investigate the data flowing through a computer network in real-time. Renowned for its comprehensive and robust features, it is the most preferred tool of its kind on an international scale. Additionally, it operates smoothly on various platforms, including Windows, macOS, Linux, and UNIX. Widely utilized by network professionals, security analysts, software developers, and educators worldwide, it remains freely available as an open-source application, distributed under the GNU General Public License version 2. Its community-oriented development approach not only keeps it aligned with the latest advancements in networking technologies but also encourages collaborative improvements from users everywhere. As a result, Wireshark continues to evolve and meet the ever-changing demands of network analysis.

SIP3 provides an all-encompassing solution for the immediate monitoring, evaluation, and resolution of network performance challenges, even during peak traffic periods. By offering impeccable communication services, you can greatly enhance your customers' experiences, as a satisfied clientele is crucial for driving your business's success. Monitor live calls and swiftly address any arising issues to meet customer expectations with timely insights. With SIP3, you can grow your operations without jeopardizing data integrity, acquiring essential information instantaneously, regardless of the size of your organization. Focus on maintaining productivity with a streamlined and intuitive interface that makes your tasks easier. The SIP3 OpenAPI streamlines integration with external platforms and solutions, helping you stay ahead in your industry while continuously overseeing your VoIP network in real-time. Proactively identify and resolve network problems before they lead to service disruptions, thereby protecting your operational integrity. You can also keep tabs on key performance indicators that are crucial for your business's expansion, all while saving your precious time and resources. This forward-thinking strategy not only boosts operational efficiency but also strategically positions your company for long-term prosperity, making it a valuable asset in today’s competitive market. Ultimately, SIP3 empowers you to create a resilient communication framework that can adapt to the evolving demands of your customers.

VoIP monitoring solutions provide comprehensive insights into WAN performance and essential call quality of service (QoS) metrics. The SolarWinds® VoIP & Network Quality Manager is designed to enhance VoIP performance by analyzing Call Detail Records (CDRs) from platforms such as Cisco CallManager and Avaya Communication Manager. This analysis helps in pinpointing and resolving issues like distortion, latency, and background noise. With VNQM, users can effectively review call detail files from both Cisco and Avaya systems, allowing them to track important metrics including latency and network jitter. This helps in preventing packet delays during VoIP communications. Additionally, SolarWinds VNQM is equipped with robust features that monitor VoIP call QoS, packet loss, and latency, while also evaluating site-to-site WAN performance using Cisco IP SLA technology. By correlating call-related problems with WAN performance data, VNQM facilitates more effective troubleshooting, ensuring that users can maintain optimal communication quality across their networks. Ultimately, these capabilities contribute to a more reliable and efficient VoIP experience.