ThousandEyes Voice & UC Monitoring

Best Self Hosted Alternatives to ThousandEyes Voice & UC Monitoring

A curated collection of the 2 best self hosted alternatives to ThousandEyes Voice & UC Monitoring.

Cloud-based monitoring for voice and unified communications (VoIP/UC). Provides end-to-end visibility into call quality (MOS, jitter, latency), SIP signaling and network paths across WAN, ISPs and SaaS providers to diagnose and troubleshoot call degradation and routing issues.

Alternatives List

#1
HOMER (SIPCAPTURE)

HOMER (SIPCAPTURE)

Carrier-grade SIP/VoIP/WebRTC packet capture and monitoring platform with real-time search, correlation, and troubleshooting workflows using the HEP/EEP protocol.

HOMER (SIPCAPTURE) screenshot

HOMER is an open-source, carrier-grade observability platform for SIP, VoIP, and WebRTC that captures and correlates signaling, RTC events, logs, and statistics for real-time troubleshooting. It uses the HEP/EEP encapsulation protocol and is designed to scale from small deployments to large operator networks.

Key Features

  • Real-time capture and ingestion of SIP signaling and RTC-related events
  • HEP/EEP-based encapsulation for broad compatibility with SIP/VoIP components
  • End-to-end correlation and drill-down across packets, sessions, and reports
  • Ingestion beyond packets, including logs and quality/QoS-related reports
  • Designed for modern observability workflows and visualization (e.g., Grafana-based setups)

Use Cases

  • Troubleshooting SIP call setup failures and intermittent signaling issues
  • Monitoring VoIP/WebRTC quality and correlating RTP/RTCP-related telemetry
  • Centralizing multi-system call-flow analysis across SBCs, proxies, and PBXs

Limitations and Considerations

  • Effective deployment typically requires familiarity with SIP/VoIP networking and HEP/EEP instrumentation across components

HOMER is well-suited for teams that need deep visibility into real-time communications traffic and want scalable, searchable call-flow analysis. It is commonly used by service providers and enterprises operating SIP and WebRTC infrastructure.

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#2
SIP3

SIP3

Self-hosted platform for capturing SIP/RTP traffic, analyzing call flows, and monitoring VoIP quality metrics with dashboards and alerts.

SIP3 screenshot

SIP3 is a self-hosted VoIP monitoring and analytics platform focused on SIP signaling and RTP media. It captures traffic, reconstructs call flows, and calculates voice-quality and performance metrics to help operators and engineers troubleshoot and assure service quality.

Key Features

  • SIP signaling capture and correlation into call legs/sessions with message-level details
  • RTP/media analysis with common VoIP quality metrics (e.g., jitter, packet loss, latency; MOS where supported)
  • Call flow visualization and drill-down troubleshooting (who-called-who, routing, failures)
  • Search and filtering across calls/sessions for investigations and support workflows
  • Time-series dashboards for QoS/QoE and signaling statistics
  • Alerting/thresholding for degradations and abnormal behavior (implementation depends on stack)
  • Horizontal scaling via collector/receiver components and backend storage

Use Cases

  • NOC monitoring of VoIP/SIP trunks, SBCs, and PBX platforms
  • Root-cause analysis of one-way audio, bad quality, failed calls, and routing issues
  • Capacity planning and SLA reporting using aggregated QoS and signaling metrics

Limitations and Considerations

  • Feature depth (dashboards, alerts, MOS support) depends on the deployed SIP3 stack and configuration; some advanced analytics may require additional components.

SIP3 is suited to telecom/VoIP environments needing packet-based visibility into SIP and RTP behavior. It provides the tooling to move from raw captures to actionable call-centric analytics and ongoing quality monitoring.

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Why choose an open source alternative?

  • •Data ownership: Keep your data on your own servers
  • •No vendor lock-in: Freedom to switch or modify at any time
  • •Cost savings: Reduce or eliminate subscription fees
  • •Transparency: Audit the code and know exactly what's running