Quick Overview
- 1#1: VoIPmonitor - Open-source VoIP monitoring, recording, and troubleshooting tool that captures and decodes SIP, RTP, and RTCP packets in real-time.
- 2#2: SolarWinds VoIP & Network Quality Manager - Enterprise solution for monitoring VoIP call quality, MOS scores, jitter, packet loss, and network performance from end-to-end.
- 3#3: PRTG Network Monitor - Network monitoring platform with dedicated VoIP sensors for SIP registrations, RTP streams, and call quality metrics.
- 4#4: Homer - Scalable open-source platform for capturing, analyzing, and visualizing SIP, RTCP, WebRTC, and media sessions.
- 5#5: ManageEngine OpManager - Comprehensive network monitoring tool with VoIP-specific features for IP-PBX health, call performance, and quality alerts.
- 6#6: Nagios XI - Enterprise monitoring system with plugins for VoIP servers, SIP gateways, and protocol-level performance tracking.
- 7#7: Zabbix - Open-source distributed monitoring platform supporting VoIP via SNMP, traps, and custom templates for SIP and RTP.
- 8#8: Wireshark - Open-source network protocol analyzer for deep packet inspection of VoIP traffic including SIP, RTP, and H.323.
- 9#9: Oracle Communications Session Monitor - Advanced session monitoring solution for large-scale VoIP networks with deep packet inspection and analytics.
- 10#10: Sevana VuIP - VoIP quality assurance software that performs real-time audio analysis for speech quality, noise, and codec performance.
Tools were ranked based on a blend of key factors, including the breadth of protocol support (SIP, RTP, WebRTC), real-time monitoring capabilities, ease of deployment, and value proposition for varying user scales—ensuring a comprehensive list that caters to both small teams and large enterprises.
Comparison Table
This comparison table breaks down top VoIP monitor software tools—such as VoIPmonitor, SolarWinds VoIP & Network Quality Manager, PRTG Network Monitor, Homer, ManageEngine OpManager, and more—providing a clear overview to assist users in identifying the best fit for their network monitoring needs. Readers will learn about key features, performance, and usability to make informed decisions.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | VoIPmonitor Open-source VoIP monitoring, recording, and troubleshooting tool that captures and decodes SIP, RTP, and RTCP packets in real-time. | specialized | 9.4/10 | 9.7/10 | 7.8/10 | 9.9/10 |
| 2 | SolarWinds VoIP & Network Quality Manager Enterprise solution for monitoring VoIP call quality, MOS scores, jitter, packet loss, and network performance from end-to-end. | enterprise | 9.1/10 | 9.5/10 | 8.5/10 | 8.6/10 |
| 3 | PRTG Network Monitor Network monitoring platform with dedicated VoIP sensors for SIP registrations, RTP streams, and call quality metrics. | enterprise | 8.5/10 | 9.0/10 | 7.5/10 | 8.0/10 |
| 4 | Homer Scalable open-source platform for capturing, analyzing, and visualizing SIP, RTCP, WebRTC, and media sessions. | specialized | 8.2/10 | 9.0/10 | 6.8/10 | 9.8/10 |
| 5 | ManageEngine OpManager Comprehensive network monitoring tool with VoIP-specific features for IP-PBX health, call performance, and quality alerts. | enterprise | 8.4/10 | 9.1/10 | 7.6/10 | 8.0/10 |
| 6 | Nagios XI Enterprise monitoring system with plugins for VoIP servers, SIP gateways, and protocol-level performance tracking. | enterprise | 7.5/10 | 8.2/10 | 6.4/10 | 7.1/10 |
| 7 | Zabbix Open-source distributed monitoring platform supporting VoIP via SNMP, traps, and custom templates for SIP and RTP. | enterprise | 7.4/10 | 8.2/10 | 5.8/10 | 9.5/10 |
| 8 | Wireshark Open-source network protocol analyzer for deep packet inspection of VoIP traffic including SIP, RTP, and H.323. | other | 8.4/10 | 9.3/10 | 6.7/10 | 10/10 |
| 9 | Oracle Communications Session Monitor Advanced session monitoring solution for large-scale VoIP networks with deep packet inspection and analytics. | enterprise | 8.2/10 | 9.1/10 | 7.4/10 | 7.8/10 |
| 10 | Sevana VuIP VoIP quality assurance software that performs real-time audio analysis for speech quality, noise, and codec performance. | specialized | 7.6/10 | 8.4/10 | 6.9/10 | 7.2/10 |
Open-source VoIP monitoring, recording, and troubleshooting tool that captures and decodes SIP, RTP, and RTCP packets in real-time.
Enterprise solution for monitoring VoIP call quality, MOS scores, jitter, packet loss, and network performance from end-to-end.
Network monitoring platform with dedicated VoIP sensors for SIP registrations, RTP streams, and call quality metrics.
Scalable open-source platform for capturing, analyzing, and visualizing SIP, RTCP, WebRTC, and media sessions.
Comprehensive network monitoring tool with VoIP-specific features for IP-PBX health, call performance, and quality alerts.
Enterprise monitoring system with plugins for VoIP servers, SIP gateways, and protocol-level performance tracking.
Open-source distributed monitoring platform supporting VoIP via SNMP, traps, and custom templates for SIP and RTP.
Open-source network protocol analyzer for deep packet inspection of VoIP traffic including SIP, RTP, and H.323.
Advanced session monitoring solution for large-scale VoIP networks with deep packet inspection and analytics.
VoIP quality assurance software that performs real-time audio analysis for speech quality, noise, and codec performance.
VoIPmonitor
specializedOpen-source VoIP monitoring, recording, and troubleshooting tool that captures and decodes SIP, RTP, and RTCP packets in real-time.
100% passive network sniffing that captures full call data without spanning ports or proxying traffic
VoIPmonitor is an open-source VoIP monitoring and recording tool that passively captures SIP, RTP, and other VoIP protocols from network traffic. It provides real-time dashboards, call detail records (CDRs), quality metrics like MOS scores, packet loss analysis, and full call recordings with easy search and playback. Designed for scalability, it supports high-volume environments and integrates with PBXs like Asterisk, handling millions of calls daily.
Pros
- Comprehensive passive packet capture with no performance impact on VoIP traffic
- Advanced analytics including real-time dashboards, reporting, and AI-powered transcription
- Highly scalable for enterprise use with support for millions of calls
Cons
- Complex initial setup requiring Linux expertise and dedicated hardware
- User interface feels dated compared to modern SaaS alternatives
- Limited out-of-box integrations without custom configuration
Best For
VoIP service providers and large enterprises needing deep, scalable call monitoring and recording without ongoing licensing costs.
Pricing
Free open-source community edition; paid Appliance (€500+/year) and Enterprise Sniffer editions with support starting at €2,000+ annually.
SolarWinds VoIP & Network Quality Manager
enterpriseEnterprise solution for monitoring VoIP call quality, MOS scores, jitter, packet loss, and network performance from end-to-end.
Multi-vendor VoIP codec and call detail record (CDR) analysis with synthetic transaction monitoring
SolarWinds VoIP & Network Quality Manager (VNQM) is an enterprise-grade monitoring tool that provides comprehensive visibility into VoIP call quality and network performance. It tracks key metrics like MOS scores, jitter, packet loss, latency, and codec performance across multi-vendor environments including Cisco, Avaya, and Microsoft Lync. Integrated with the SolarWinds Orion platform, VNQM offers customizable dashboards, alerting, and detailed call analytics to proactively troubleshoot voice issues.
Pros
- In-depth VoIP metrics including MOS, R-Factor, and codec analysis
- Seamless integration with SolarWinds NPM for holistic network monitoring
- Advanced reporting and customizable dashboards for enterprise-scale deployments
Cons
- High licensing costs, especially for smaller teams
- Steep learning curve for setup and advanced configuration
- Resource-intensive, requiring robust server hardware
Best For
Large enterprises with complex, multi-vendor VoIP infrastructures needing detailed performance analytics and proactive issue resolution.
Pricing
Quote-based pricing starts around $2,500 for 100 elements; available as perpetual license or subscription with annual maintenance.
PRTG Network Monitor
enterpriseNetwork monitoring platform with dedicated VoIP sensors for SIP registrations, RTP streams, and call quality metrics.
VoIP RTP Sensor that automatically calculates real-time MOS and R-Factor scores for proactive call quality assessment
PRTG Network Monitor is a versatile network monitoring platform from Paessler that excels in comprehensive infrastructure oversight, including robust VoIP monitoring capabilities through specialized sensors. It tracks essential VoIP metrics like jitter, packet loss, MOS scores, R-factor, and SIP registrations in real-time, helping maintain call quality across IP networks. While primarily a general network tool, its VoIP features make it suitable for enterprises ensuring seamless voice communications amid broader network health checks.
Pros
- Extensive VoIP-specific sensors for RTP streams, SIP monitoring, and quality metrics like MOS and jitter
- Auto-discovery, customizable maps, and proactive alerting for quick issue resolution
- Scalable from small setups to large enterprises with strong reporting and historical data
Cons
- Sensor-based licensing model can become expensive as monitoring needs grow
- Steep learning curve due to complex configuration and vast feature set
- Less focused on advanced call analytics or PBX integration compared to dedicated VoIP tools
Best For
Network administrators in mid-to-large enterprises seeking integrated VoIP quality monitoring within comprehensive network oversight.
Pricing
Free for up to 100 sensors; paid perpetual licenses start at $1,899 for 500 sensors (includes 1 year maintenance); subscriptions from $419/year; scales by sensor count.
Homer
specializedScalable open-source platform for capturing, analyzing, and visualizing SIP, RTCP, WebRTC, and media sessions.
HEP/HEPU protocol for lightweight, lossless SIP/RTP capture directly from proxies without spanning ports
Homer is an open-source SIP capture and monitoring platform from sipcapture.org, designed for capturing, storing, and analyzing VoIP traffic in real-time. It uses the HEP/HEPU protocol for efficient packet capture from SIP proxies like Kamailio, stores data in databases like ClickHouse or MongoDB, and offers a web-based UI for searching calls, viewing transaction graphs, and calculating quality metrics such as MOS and R-factor. It supports scalability through clustering, making it suitable for high-volume VoIP environments focused on troubleshooting and analytics.
Pros
- Highly scalable with clustering and support for massive data volumes
- Powerful search, visualization, and VoIP quality analytics (MOS, jitter, packet loss)
- Free and open-source with flexible integrations (HEP, ClickHouse, Elasticsearch)
Cons
- Complex setup requiring SIP proxy configuration and database tuning
- Web UI feels dated and lacks polish compared to commercial tools
- Limited built-in alerting and automation features
Best For
VoIP network engineers and sysadmins in large-scale SIP deployments needing deep packet-level monitoring and analytics.
Pricing
Completely free as open-source software; enterprise support available via sipcapture.org.
ManageEngine OpManager
enterpriseComprehensive network monitoring tool with VoIP-specific features for IP-PBX health, call performance, and quality alerts.
VoIP Monitor add-on with MOS score prediction, codec analysis, and dial plan monitoring for predictive call quality optimization
ManageEngine OpManager is a comprehensive network monitoring platform with dedicated VoIP monitoring capabilities, tracking metrics like MOS scores, jitter, packet loss, latency, and RTP streams for devices from Cisco, Avaya, and other vendors. It provides real-time dashboards, customizable alerts, and historical reporting to diagnose and optimize VoIP performance across enterprise networks. As part of a broader IT monitoring suite, it integrates VoIP oversight with server, bandwidth, and configuration management for holistic visibility.
Pros
- Supports extensive VoIP platforms including Cisco CUCM, UCCX, Avaya, and SIP trunks with detailed QoS metrics
- Real-time alerts, automated workflows, and customizable reports for proactive VoIP issue resolution
- Scalable for large deployments with multi-site monitoring and integration into ManageEngine ecosystem
Cons
- Overkill for small setups focused solely on VoIP, as it's a full network monitoring tool
- Steep initial setup and learning curve for advanced VoIP configurations
- Pricing model based on monitored devices can become expensive at scale
Best For
Mid-sized to large enterprises requiring integrated network and VoIP performance monitoring alongside other IT infrastructure oversight.
Pricing
Free for up to 10 devices; paid editions start at $395/year for 10 monitors (Standard), up to Enterprise plans at $1,195/year for 10 monitors, scaling per device count with add-ons available.
Nagios XI
enterpriseEnterprise monitoring system with plugins for VoIP servers, SIP gateways, and protocol-level performance tracking.
Vast Nagios Exchange plugin ecosystem for specialized VoIP checks like MOS scoring, SIP endpoint status, and passive RTP analysis
Nagios XI is a robust, enterprise-grade monitoring platform built on the open-source Nagios Core, capable of overseeing IT infrastructure including VoIP systems through extensive plugins. It supports VoIP monitoring by tracking SIP registrations, RTP streams, call quality metrics such as MOS, jitter, packet loss, and latency via custom checks and integrations with PBX systems like Asterisk. While highly flexible, it excels in customizable environments rather than providing plug-and-play VoIP-specific dashboards.
Pros
- Highly customizable with thousands of community plugins for VoIP protocols like SIP and RTP
- Scalable for large deployments with advanced reporting and alerting
- Integrates well with existing Nagios setups for hybrid monitoring
Cons
- Steep learning curve requiring scripting knowledge for optimal VoIP setup
- Not VoIP-focused out-of-the-box; lacks intuitive dashboards for call analytics
- Dated web interface compared to modern SaaS alternatives
Best For
Experienced IT teams in large organizations needing a flexible, plugin-driven platform for comprehensive infrastructure monitoring including VoIP.
Pricing
Perpetual licenses start at $1,995 for up to 100 hosts (Core edition), scaling to $3,495+ for Enterprise, plus annual maintenance (~20% of license cost).
Zabbix
enterpriseOpen-source distributed monitoring platform supporting VoIP via SNMP, traps, and custom templates for SIP and RTP.
Advanced templating and auto-discovery system for dynamic VoIP endpoint monitoring without manual configuration.
Zabbix is an enterprise-class open-source monitoring platform that provides comprehensive IT infrastructure monitoring, including VoIP systems through customizable templates for SIP, Asterisk, FreePBX, and other PBX solutions. It tracks key VoIP metrics like MOS scores, jitter, packet loss, latency, and call volumes via SNMP, log parsing, and agent-based collection. While versatile for general monitoring, it excels in VoIP when properly configured, offering dashboards, alerting, and predictive analytics.
Pros
- Highly customizable with extensive VoIP templates and low-level discovery
- Scalable for large deployments with proxy support
- Powerful alerting and visualization tools including maps and graphs
Cons
- Steep learning curve and complex initial setup for VoIP monitoring
- Not plug-and-play; requires scripting and configuration expertise
- Web interface feels dated and overwhelming for non-experts
Best For
Experienced IT teams in large organizations needing a free, all-in-one monitoring solution for VoIP alongside servers, networks, and applications.
Pricing
Free open-source core; enterprise support and Zabbix Cloud subscriptions start at $500/year per node.
Wireshark
otherOpen-source network protocol analyzer for deep packet inspection of VoIP traffic including SIP, RTP, and H.323.
RTP stream analysis with jitter graphs, packet loss metrics, and audio playback for VoIP quality assessment
Wireshark is a free, open-source network protocol analyzer that captures and inspects packets across various protocols, including VoIP standards like SIP, RTP, RTCP, and SDP. It offers specialized VoIP tools such as stream analysis, call flow diagrams, and statistics for jitter, packet loss, and MOS scores, enabling deep troubleshooting of VoIP issues. While highly capable for packet-level forensics, it lacks the automated dashboards and real-time alerting of dedicated VoIP monitors.
Pros
- Exceptional depth in dissecting VoIP protocols like SIP/RTP with flow graphs and statistics
- Built-in RTP player for audio stream playback and analysis
- Cross-platform support and completely free with no licensing costs
Cons
- Steep learning curve due to complex interface and manual configuration
- No native real-time alerting, dashboards, or automated reporting
- Resource-heavy for capturing high-volume or long-duration VoIP traffic
Best For
Experienced network engineers and VoIP troubleshooters needing granular packet-level analysis.
Pricing
Completely free and open-source.
Oracle Communications Session Monitor
enterpriseAdvanced session monitoring solution for large-scale VoIP networks with deep packet inspection and analytics.
Patented IP flow analysis for end-to-end session reconstruction and media quality scoring
Oracle Communications Session Monitor is an enterprise-grade VoIP monitoring solution designed for telecom operators and large service providers to analyze SIP, Diameter, and media sessions in real-time. It offers deep packet inspection, quality of service metrics, and forensic tools to troubleshoot issues and ensure network performance. The platform scales to handle massive traffic volumes and integrates with broader Oracle Communications suites for comprehensive visibility.
Pros
- Advanced deep packet inspection for SIP and RTP streams
- Scalable for high-volume carrier-grade networks
- Rich analytics and reporting with drill-down forensics
Cons
- Complex deployment requiring specialized expertise
- High enterprise-level pricing
- Steep learning curve for non-telecom admins
Best For
Large telecom operators and enterprises needing carrier-grade VoIP session monitoring and analytics.
Pricing
Custom enterprise licensing, typically annual subscriptions starting at $100K+ based on capacity and features.
Sevana VuIP
specializedVoIP quality assurance software that performs real-time audio analysis for speech quality, noise, and codec performance.
Passive, software-only monitoring that analyzes mirrored traffic without impacting network performance or requiring probes
Sevana VuIP is a specialized VoIP monitoring software that provides real-time analysis of SIP traffic for call quality assurance and fraud detection. It calculates key QoS metrics such as MOS, R-factor, packet loss, jitter, and latency while identifying threats like PBX hacking, international revenue sharing fraud, and toll fraud. The solution supports passive monitoring without hardware probes, making it suitable for carriers, enterprises, and VoIP providers seeking comprehensive network visibility.
Pros
- Robust fraud detection using anomaly analysis and pattern recognition
- Comprehensive QoS monitoring with detailed SIP protocol decoding
- Passive deployment requiring no additional hardware probes
Cons
- Complex initial setup and configuration for non-experts
- Pricing is quote-based with limited public transparency
- User interface feels dated compared to modern competitors
Best For
VoIP carriers and enterprises needing advanced fraud prevention alongside call quality monitoring in high-volume networks.
Pricing
Custom enterprise pricing based on traffic volume and deployment scale; contact sales for quotes, typically starting in the mid-four figures annually.
Conclusion
VoIPmonitor leads as the top choice, offering robust open-source capabilities for real-time capture and decoding of SIP, RTP, and RTCP packets. SolarWinds VoIP & Network Quality Manager excels in enterprise end-to-end quality tracking with MOS scores, and PRTG Network Monitor provides dedicated VoIP sensors for reliable performance. Together, these tools cover diverse needs, with VoIPmonitor standing out for its versatility.
Try VoIPmonitor today to streamline your VoIP monitoring and troubleshooting, leveraging its powerful real-time features for seamless communication. For enterprise or platform-specific needs, explore SolarWinds VoIP & Network Quality Manager or PRTG Network Monitor as strong alternatives.
Tools Reviewed
All tools were independently evaluated for this comparison
