Best On-Premises VoIP Monitoring Software of 2025

Site24x7 provides unified cloud monitoring to support IT operations and DevOps within small and large organizations. The solution monitors real users' experiences on websites and apps from both desktop and mobile devices. DevOps teams can monitor and troubleshoot applications and servers, as well as network infrastructure, including private clouds and public clouds, with in-depth monitoring capabilities. Monitoring the end-user experience is done from more 100 locations around the globe and via various wireless carriers.

ManageEngine OpManager acts as a dedicated monitoring solution for Voice over IP (VoIP) systems, delivering immediate insights into the effectiveness and quality of VoIP communications. It measures important performance indicators, including call clarity, delay, jitter, and packet loss, to maintain peak VoIP functionality. Offering proactive notifications and comprehensive reporting, OpManager empowers IT departments to swiftly detect and resolve VoIP-related challenges, ensuring uninterrupted communication. Its user-friendly dashboards and visualization tools facilitate the monitoring and evaluation of VoIP traffic, assisting organizations in sustaining superior voice communication standards.

NetCrunch is a next-gen, agentless infrastructure and traffic network monitoring system designed for hybrid, multi-site, and fast changing infrastructures. It combines real-time observability with alert automation and intelligent escalation to eliminate the overhead and limitations of legacy tools like PRTG or SolarWinds. NetCrunch supports agentless monitoring of thousands of nodes from a single server-covering physical devices, virtual machines, servers, traffic flows, cloud services (AWS, Azure, GCP), SNMP, syslogs, Windows Events, IoT, telemetry, and more. Unlike sensor-based tools, NetCrunch uses node-based licensing and policy-driven configuration to streamline monitoring, reduce costs, and eliminate sensor micromanagement. 670+ built-in monitoring packs apply instantly based on device type, ensuring consistency across the network. NetCrunch delivers real-time, dynamic maps and dashboards that update without manual refreshes, giving users immediate visibility into issues and performance. Its smart alerting engine features root cause correlation, suppression, predictive triggers, and over 40 response actions including scripts, API calls, notifications, and integrations with Jira, Teams, Slack, Amazon SNS, MQTT, PagerDuty, and more. Its powerful REST API makes NetCrunch perfect for flow automation, including integration with asset management, production/IoT/operations monitoring and other IT systems with ease. Whether replacing an aging platform or modernizing enterprise observability, NetCrunch offers full-stack coverage with unmatched flexibility. Fast to deploy, simple to manage, and built to scale-NetCrunch is the smarter, faster, and future-ready monitoring system. Designed for on-prem (including air-gapped), cloud self-hosted or hybrid networks.

TotalView offers network monitoring as well as root-cause troubleshooting of problems in plain-English. The solution monitors every device as well as every interface on every device. In addition, TotalView goes deep, collecting 19 error counters, performance, configuration, and connectedness so nothing is outside of it’s view. A built-in heuristics engine analyzes this information to produce plain-English answers to problems. Complex problems can now be solved by junior level engineers leaving the senior level engineers to work on more strategic level projects. The core product includes everything needed to run a perfectly healthy network: Configuration management, server monitoring, cloud service monitoring, IPAM, NetFlow, path mapping, and diagramming. Get Total Network Visibility on your network and solve more problems faster.

Paessler PRTG is an all-inclusive monitoring solution with an intuitive, user-friendly interface powered by a cutting-edge monitoring engine. It optimizes connections and workloads, reduces operational costs, and prevents outages. It also saves time and controls service level agreements (SLAs). This solution includes specialized monitoring features such as flexible alerting, cluster failover, distributed monitoring, maps, dashboards, and in-depth reporting.

An extensive array of network testing solutions is available, encompassing VoIP and Bandwidth Quality assessments along with global edge-to-edge implementations. Testing VoIP and Video Quality is crucial for preserving the user experience in applications like voice communication and video conferencing. Traditional "speed" tests lack value if the testing protocol is not fully understood. Addressing bandwidth quality is vital in resolving issues related to user experience. Automated testing enables a smooth and secure collection of essential network performance metrics across both single and multi-edge networks. The user experience is paramount, regardless of the application in question. It is important to set up detailed tests to verify whether a network meets its intended purpose. Assessing if a connection's capacity is sufficient for its expected load is crucial, as even high-capacity connections may face over-subscription, leading to potential pitfalls in performance. Ultimately, ensuring the reliability and effectiveness of network services is fundamental to optimizing user satisfaction.