Quick Overview
- 1#1: SolarWinds VoIP & Network Quality Manager - Delivers comprehensive real-time and historical monitoring of VoIP call quality metrics like MOS, jitter, packet loss, and latency across networks.
- 2#2: VoIPmonitor - Provides passive VoIP traffic monitoring, call recording, and detailed quality analysis with RTP statistics and audio playback.
- 3#3: PRTG Network Monitor - Offers easy-to-deploy sensors for SIP, RTP, and VoIP quality monitoring including MOS scores and call failure detection.
- 4#4: ThousandEyes - Cloud-native platform for end-to-end visibility into voice call quality over internet and WAN with synthetic testing and path analysis.
- 5#5: ManageEngine OpManager - Monitors VoIP infrastructure, SIP endpoints, and call quality parameters like latency and codec performance with alerting.
- 6#6: IR Prognosis - Unified communications monitoring solution focused on real-time VoIP quality assurance, service KPIs, and end-user experience.
- 7#7: NetScout nGeniusONE - Enterprise-grade platform using deep packet inspection to analyze and troubleshoot VoIP call quality issues across complex networks.
- 8#8: GL Communications PacketScan - Protocol analyzer for real-time VoIP call capture, voice quality testing with PESQ/POLQA, and RTP impairment metrics.
- 9#9: LiveAction LiveNX - Network performance management tool with VoIP analytics for visualizing call flows, quality metrics, and issue correlation.
- 10#10: Zabbix - Open-source monitoring platform with customizable templates for tracking SIP registrations, VoIP metrics, and call quality alerts.
These tools were ranked based on comprehensive evaluations of feature depth (including real-time and historical tracking), accuracy of quality metrics, ease of deployment and use, and overall value, ensuring relevance for both small teams and enterprise-scale operations.
Comparison Table
Call quality is vital for smooth communication, and selecting the right monitoring software can boost operational effectiveness. This comparison table reviews top tools—such as SolarWinds VoIP & Network Quality Manager, VoIPmonitor, PRTG Network Monitor, ThousandEyes, and ManageEngine OpManager—equipping readers to find software aligned with their requirements, covering features, usability, and integration strengths.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | SolarWinds VoIP & Network Quality Manager Delivers comprehensive real-time and historical monitoring of VoIP call quality metrics like MOS, jitter, packet loss, and latency across networks. | enterprise | 9.4/10 | 9.6/10 | 8.2/10 | 8.8/10 |
| 2 | VoIPmonitor Provides passive VoIP traffic monitoring, call recording, and detailed quality analysis with RTP statistics and audio playback. | specialized | 9.1/10 | 9.5/10 | 7.8/10 | 9.7/10 |
| 3 | PRTG Network Monitor Offers easy-to-deploy sensors for SIP, RTP, and VoIP quality monitoring including MOS scores and call failure detection. | enterprise | 8.4/10 | 8.8/10 | 7.6/10 | 8.2/10 |
| 4 | ThousandEyes Cloud-native platform for end-to-end visibility into voice call quality over internet and WAN with synthetic testing and path analysis. | enterprise | 8.4/10 | 9.1/10 | 7.8/10 | 7.2/10 |
| 5 | ManageEngine OpManager Monitors VoIP infrastructure, SIP endpoints, and call quality parameters like latency and codec performance with alerting. | enterprise | 7.8/10 | 8.2/10 | 7.5/10 | 8.5/10 |
| 6 | IR Prognosis Unified communications monitoring solution focused on real-time VoIP quality assurance, service KPIs, and end-user experience. | specialized | 8.3/10 | 9.1/10 | 7.4/10 | 7.9/10 |
| 7 | NetScout nGeniusONE Enterprise-grade platform using deep packet inspection to analyze and troubleshoot VoIP call quality issues across complex networks. | enterprise | 8.2/10 | 9.1/10 | 6.8/10 | 7.5/10 |
| 8 | GL Communications PacketScan Protocol analyzer for real-time VoIP call capture, voice quality testing with PESQ/POLQA, and RTP impairment metrics. | specialized | 8.2/10 | 9.1/10 | 7.0/10 | 7.6/10 |
| 9 | LiveAction LiveNX Network performance management tool with VoIP analytics for visualizing call flows, quality metrics, and issue correlation. | enterprise | 8.1/10 | 8.7/10 | 6.9/10 | 7.4/10 |
| 10 | Zabbix Open-source monitoring platform with customizable templates for tracking SIP registrations, VoIP metrics, and call quality alerts. | specialized | 6.2/10 | 5.8/10 | 4.5/10 | 9.2/10 |
Delivers comprehensive real-time and historical monitoring of VoIP call quality metrics like MOS, jitter, packet loss, and latency across networks.
Provides passive VoIP traffic monitoring, call recording, and detailed quality analysis with RTP statistics and audio playback.
Offers easy-to-deploy sensors for SIP, RTP, and VoIP quality monitoring including MOS scores and call failure detection.
Cloud-native platform for end-to-end visibility into voice call quality over internet and WAN with synthetic testing and path analysis.
Monitors VoIP infrastructure, SIP endpoints, and call quality parameters like latency and codec performance with alerting.
Unified communications monitoring solution focused on real-time VoIP quality assurance, service KPIs, and end-user experience.
Enterprise-grade platform using deep packet inspection to analyze and troubleshoot VoIP call quality issues across complex networks.
Protocol analyzer for real-time VoIP call capture, voice quality testing with PESQ/POLQA, and RTP impairment metrics.
Network performance management tool with VoIP analytics for visualizing call flows, quality metrics, and issue correlation.
Open-source monitoring platform with customizable templates for tracking SIP registrations, VoIP metrics, and call quality alerts.
SolarWinds VoIP & Network Quality Manager
enterpriseDelivers comprehensive real-time and historical monitoring of VoIP call quality metrics like MOS, jitter, packet loss, and latency across networks.
Advanced IP SLA Operations and VoIP codec-specific MOS predictions for precise quality forecasting
SolarWinds VoIP & Network Quality Manager (VNQM) is a comprehensive monitoring solution that provides real-time and historical insights into VoIP call quality across enterprise networks. It tracks critical metrics like MOS scores, jitter, packet loss, latency, and R-factor for protocols including SIP, SCCP, H.323, and MGCP. VNQM enables proactive issue resolution through dashboards, alerts, reports, and integration with SolarWinds Network Performance Monitor for end-to-end visibility.
Pros
- Detailed real-time and historical call quality analytics with drill-down capabilities
- Seamless integration with SolarWinds Orion platform for unified network management
- Customizable alerts, dashboards, and automated reports for proactive monitoring
Cons
- Steep learning curve for initial setup and configuration
- High licensing costs scaled by VoIP elements, less ideal for small deployments
- Resource-intensive on servers for large-scale monitoring
Best For
Enterprise IT teams managing complex, large-scale VoIP and UC environments requiring deep performance insights.
Pricing
Perpetual licensing starts at ~$1,995 for 100 VoIP elements plus ~20% annual maintenance; subscription options available.
VoIPmonitor
specializedProvides passive VoIP traffic monitoring, call recording, and detailed quality analysis with RTP statistics and audio playback.
Passive network sniffing for non-intrusive, accurate capture of VoIP quality metrics without call server integration.
VoIPmonitor is an open-source VoIP monitoring and recording solution that passively captures SIP signaling and RTP streams from network traffic. It provides detailed call quality metrics including MOS scores, jitter, packet loss, latency, and codec analysis, along with full call recording and playback. The tool offers web-based reporting, real-time alerts, and graphing for proactive issue resolution in VoIP environments.
Pros
- Comprehensive RTP analysis with precise MOS, jitter, and loss metrics
- High-fidelity call recording with audio extraction and search
- Scalable distributed sensor model for enterprise traffic volumes
Cons
- Steep learning curve for initial network setup and configuration
- Primarily Linux-based, limiting accessibility for Windows admins
- High resource demands on sensors for very high-traffic networks
Best For
VoIP service providers and enterprises requiring passive, detailed call quality monitoring and recording at scale.
Pricing
Free open-source community edition; commercial/enterprise licenses start at ~$500/year per sensor with support and advanced features.
PRTG Network Monitor
enterpriseOffers easy-to-deploy sensors for SIP, RTP, and VoIP quality monitoring including MOS scores and call failure detection.
VoIP QoE sensors that automatically calculate Mean Opinion Score (MOS) from RTP streams for objective call quality assessment
PRTG Network Monitor is a versatile network monitoring platform that extends to call quality monitoring through specialized VoIP sensors tracking metrics like jitter, packet loss, MOS scores, and RTP streams. It provides real-time visibility into network performance impacting voice calls, with customizable dashboards, maps, and alerts for proactive issue resolution. While not exclusively a call quality tool, its sensor-based approach enables comprehensive monitoring of SIP, VoIP QoE, and related infrastructure.
Pros
- Extensive library of 250+ sensors including VoIP-specific ones for MOS, jitter, and packet loss
- Real-time alerting, historical reporting, and intuitive mapping for quick issue identification
- Scalable from small networks to enterprises with auto-discovery
Cons
- Not specialized solely for call analytics; lacks deep conversation-level insights
- Sensor-based licensing model can become costly as monitoring needs grow
- Initial setup and advanced configuration have a learning curve
Best For
Network administrators in mid-to-large organizations seeking integrated monitoring of network health and VoIP call quality.
Pricing
Free for up to 100 sensors; paid perpetual licenses start at ~$1,750 for 500 sensors plus annual maintenance (~20% of license cost).
ThousandEyes
enterpriseCloud-native platform for end-to-end visibility into voice call quality over internet and WAN with synthetic testing and path analysis.
Internet Insights with BGP and path visualization to pinpoint public internet issues affecting call paths from thousands of global locations
ThousandEyes is a comprehensive network intelligence platform that provides end-to-end visibility into digital experiences, including call quality monitoring for VoIP, WebRTC, and real-time media streams. It uses global vantage points, cloud agents, and endpoint agents to measure key metrics like latency, jitter, packet loss, MOS scores, and RTP stream performance. This enables proactive diagnosis of issues across ISP, cloud, and enterprise networks impacting voice and video calls.
Pros
- Global network of vantage points for realistic, worldwide call path testing
- Detailed real-time media analysis including MOS, jitter, and packet loss metrics
- Seamless integrations with Cisco tools and third-party alerting systems
Cons
- Enterprise-level pricing that may be excessive for SMBs focused solely on calls
- Complex setup and dashboards requiring networking expertise
- Broader network focus dilutes pure call quality specialization compared to dedicated tools
Best For
Large enterprises with global, hybrid networks needing holistic visibility into call quality alongside general application performance.
Pricing
Custom enterprise subscription pricing based on test agents and endpoints; typically starts at several thousand dollars per month—contact sales for quotes.
ManageEngine OpManager
enterpriseMonitors VoIP infrastructure, SIP endpoints, and call quality parameters like latency and codec performance with alerting.
IP SLA-based VoIP monitoring for proactive jitter, MOS, and latency tracking
ManageEngine OpManager is a comprehensive network monitoring platform that extends to call quality monitoring for VoIP environments by tracking key metrics like jitter, latency, packet loss, and MOS scores via protocols such as Cisco IP SLA and NetFlow. It provides real-time dashboards, alerts, and reports to identify issues impacting voice traffic across physical, virtual, and cloud networks. While not exclusively a call quality tool, it integrates these capabilities into broader infrastructure oversight for proactive management.
Pros
- Strong integration with network protocols for VoIP metrics
- Scalable for enterprise environments with multi-vendor support
- Cost-effective with a free tier and flexible licensing
Cons
- Not specialized for deep call analytics like SIP/RTP decoding
- Steep learning curve for advanced configurations
- Requires additional modules for full call quality depth
Best For
IT teams in mid-to-large enterprises seeking integrated network and basic VoIP call quality monitoring.
Pricing
Free for up to 10 monitors; Standard edition starts at ~$395/year for 10 devices, Professional at ~$595/year, with pricing scaling by monitor count.
IR Prognosis
specializedUnified communications monitoring solution focused on real-time VoIP quality assurance, service KPIs, and end-user experience.
Prognostic AI that forecasts network and call failures using machine learning for proactive resolution
IR Prognosis from ir.com is an enterprise-grade IT infrastructure monitoring platform with strong capabilities for call quality monitoring in VoIP, SIP, and unified communications environments. It delivers real-time metrics such as MOS scores, jitter, packet loss, latency, and RTP analysis, enabling proactive issue detection through AI-driven prognostics. The solution supports extensive integrations with platforms like Cisco, Avaya, and Microsoft Teams, providing customizable dashboards and automated alerts for contact centers and large-scale deployments.
Pros
- AI-powered prognostic analytics predict and prevent call quality issues before they impact users
- Deep integrations with major UC platforms and PBXs for comprehensive monitoring
- Scalable for large enterprises with robust reporting and customizable dashboards
Cons
- Complex initial setup and configuration requiring IT expertise
- Pricing is opaque and geared toward enterprise budgets only
- Primarily on-premises focused, with limited cloud-native options
Best For
Large enterprises and contact centers with complex UC environments needing predictive call quality monitoring and diagnostics.
Pricing
Custom enterprise pricing; typically starts at $50,000+ annually based on scale, quote required.
NetScout nGeniusONE
enterpriseEnterprise-grade platform using deep packet inspection to analyze and troubleshoot VoIP call quality issues across complex networks.
Adaptive Service Intelligence (ASI) for proactive, AI-powered detection and visualization of call quality impairments across the entire service path
NetScout nGeniusONE is a unified service assurance platform that delivers deep packet-level visibility into network performance, including call quality monitoring for VoIP, video conferencing, and unified communications. It leverages Adaptive Service Intelligence (ASI) to analyze traffic in real-time, identifying issues like jitter, packet loss, latency, and MOS scores across distributed environments. The tool provides dashboards, forensics, and AI-driven insights to correlate network problems with service impacts, enabling proactive troubleshooting.
Pros
- Network-wide visibility with deep packet inspection for accurate call quality metrics
- Advanced analytics and root cause analysis correlating network issues to call degradation
- Scalable for large enterprises with support for hybrid and multi-cloud environments
Cons
- Steep learning curve and complex deployment requiring specialized expertise
- High cost unsuitable for SMBs or simple VoIP setups
- Primarily network-focused, lacking endpoint agent integration for full end-user experience
Best For
Large enterprises with complex, distributed networks requiring comprehensive monitoring of call quality alongside broader service assurance.
Pricing
Quote-based enterprise licensing, typically starting at $100,000+ annually depending on scale and appliances/subscriptions.
GL Communications PacketScan
specializedProtocol analyzer for real-time VoIP call capture, voice quality testing with PESQ/POLQA, and RTP impairment metrics.
Real-time automated computation of perceptual voice quality scores (MOS, R-Factor) directly from live RTP packet streams
GL Communications PacketScan is a real-time VoIP monitoring and analysis tool that captures and decodes RTP packets from IP networks to assess call quality. It provides comprehensive metrics including MOS, R-Factor, packet loss, jitter, delay, and codec analysis, supporting multi-channel and multi-protocol environments. Designed for telecom professionals, it enables passive monitoring of live traffic with integration options like Wireshark for detailed forensics.
Pros
- Precise real-time QoS metrics like MOS and R-Factor for VoIP streams
- Supports extensive codecs, protocols, and high-volume multi-channel analysis
- Seamless integration with Wireshark and hardware appliances for scalability
Cons
- Steep learning curve for setup and configuration
- Primarily Windows-focused with limited cross-platform support
- Enterprise pricing may not suit small-scale users
Best For
Telecom engineers and VoIP service providers needing detailed packet-level call quality monitoring in production networks.
Pricing
Quote-based enterprise licensing; software starts around $5,000+, with hardware appliances from $10,000+ depending on channels and features.
LiveAction LiveNX
enterpriseNetwork performance management tool with VoIP analytics for visualizing call flows, quality metrics, and issue correlation.
LiveNX Wire for real-time, end-to-end packet capture and correlation of call flows with network-wide telemetry
LiveAction LiveNX is a robust network performance monitoring platform with deep packet inspection capabilities tailored for enterprise environments, including specialized VoIP and call quality analysis. It monitors key metrics like MOS scores, jitter, packet loss, latency, and RTP streams to diagnose and troubleshoot voice and video call issues in real-time or via historical forensics. While powerful for integrated network visibility, it excels in correlating call quality data with overall network traffic flows.
Pros
- Deep packet inspection provides precise VoIP/RTP analysis and MOS predictions
- Seamless integration with broader network monitoring for holistic troubleshooting
- Customizable dashboards and automated alerts for proactive call quality management
Cons
- Steep learning curve due to complex interface and advanced features
- High resource requirements for deployment and operation
- Premium pricing may not suit smaller organizations focused solely on CQM
Best For
Large enterprises with complex hybrid networks requiring integrated network performance and call quality monitoring.
Pricing
Enterprise subscription model; custom quotes typically starting at $10,000+ annually based on scale and sensors.
Zabbix
specializedOpen-source monitoring platform with customizable templates for tracking SIP registrations, VoIP metrics, and call quality alerts.
Low-level discovery (LLD) for automatic detection and monitoring of dynamic VoIP devices and network elements
Zabbix is an open-source, enterprise-class monitoring platform primarily designed for IT infrastructure, networks, servers, and applications, which can be adapted to track network metrics like latency, jitter, and packet loss relevant to call quality in VoIP environments. It supports custom templates and integrations via SNMP, ICMP, or scripts to monitor PBX systems and telephony hardware. While versatile and scalable, it lacks native call quality analytics such as MOS scores, audio stream analysis, or call detail record (CDR) processing, requiring significant customization for effective use in call monitoring.
Pros
- Completely free and open-source with no licensing costs
- Highly scalable and customizable for large-scale network monitoring
- Extensive template library including some VoIP/SIP options
Cons
- Not purpose-built for call quality; lacks built-in telephony analytics
- Steep learning curve and complex setup for custom monitoring
- Limited out-of-the-box support for audio quality metrics like MOS or R-factor
Best For
Experienced IT admins in resource-constrained environments needing a flexible, free tool to monitor network performance impacting VoIP calls.
Pricing
Free open-source core; paid enterprise support and appliances start at around $3,000/year.
Conclusion
The top three call quality monitoring tools deliver exceptional value, with SolarWinds VoIP & Network Quality Manager leading as the top choice, offering comprehensive real-time and historical insights into critical metrics. VoIPmonitor and PRTG Network Monitor, each with distinct strengths, are strong alternatives for tailored needs.
To elevate communication reliability, start with SolarWinds VoIP & Network Quality Manager—its robust features make it a standout for ensuring optimal call performance.
Tools Reviewed
All tools were independently evaluated for this comparison