...nitoring and infrastructure monitoring software application. Nagios offers monitoring and alerting services for servers, switches, applications, and services. It
...voipmonitor implements GUI for nagios which you can use for any alerting / monitoring purpose.
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== January 2026: Enhanced Sensor Monitoring & Disk I/O Analytics ==
We are excited to announce major improvements to sensor monitoring capabilities in both the sniffer and GUI.
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{{DISPLAYTITLE:System Performance Monitoring with Collectd}}
...ng-Term Performance Graphing:''' Track CPU load, memory usage, disk space, network traffic, and even specific VoIPmonitor metrics over weeks, months, or years
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{{DISPLAYTITLE:Glossary of VoIP & Monitoring Terms}}
'''Quick reference for VoIP quality metrics and monitoring concepts used in VoIPmonitor.'''
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Network path tracing from VoIPmonitor web server to a selected IP address using the
* Network/storage info
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# '''Customer:''' Replace hardware, install OS, configure network, provide remote access
C --> D[Configure Network]
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...rom a simple all-in-one installation to complex, distributed solutions for monitoring multiple sites.'''
cloud "**Network**\nSIP / RTP / WebRTC" as NET
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'''Promiscuous mode allows a network interface to capture all packets on the wire, not just those addressed to i
| '''Network TAP''' || '''YES''' || TAP copies raw Layer 2 frames
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VoIPmonitor is an open-source network packet sniffer and call analyzer for SIP VoIP traffic. This document outlin
Network["Network Traffic"]
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subgraph Network["VoIP Network"]
* '''Cross-segment monitoring''' - When SBC and VoIPmonitor are on different network segments
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== Network Security ==
| 5060 || UDP/TCP || SIP monitoring || Default SIP port
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* '''[[Promiscuous]]''' ★ - Network interface promiscuous mode setup
* '''[[WebRTC]]''' ★ - WebRTC call monitoring setup
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rectangle "Network\nInterface" as NIC #E8F4FD
== Optimizing Packet Capture (CPU & Network) ==
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...they are captured by the sensor. This is useful for debugging call flows, network issues, or configuration problems.
{{Tip|1=When monitoring high-traffic systems, always use filters to reduce the volume of displayed
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This setup allows monitoring OPTIONS pings like heartbeat checks for availability, providing statistics
...store them in the database. This is recommended if you only need real-time monitoring and alerts.
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...lipping detection. These tools diagnose audio quality issues not caused by network problems, such as one-way audio, muted microphones, or faulty hardware.'''
Standard network metrics (packet loss, jitter) only identify transport-layer problems. Many
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...opacity:0.9; margin-top:10px;" | Complete guides for the open-source VoIP monitoring and troubleshooting solution
* [[Promiscuous|'''Network Interface''']] - Promiscuous mode
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rectangle "Network Interface" as NIC #E8F4FD
...f the sniffer. It runs on a single CPU core and reads all packets from the network interface. If t0CPU approaches 100%, packets will be dropped.
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...nsor, how to forward traffic, and distributed architectures for multi-site monitoring.
| No extra hardware, network changes, or port mirroring required || Adds CPU, memory, and disk I/O load
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== Built-in Real-Time Monitoring (v2026.01.3+) ==
...tarting with VoIPmonitor 2026.01.3, the sniffer includes built-in disk I/O monitoring. Use this first before running external benchmark tools.}}
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