VoIPmonitor vs CallMeter

VVoIPmonitor9.4Visit CallMeter9.0Visit

Higher score V VoIPmonitor #1 in VoIP Monitoring Software 9.4/10 30-day trial Free trial✓ 3 of 5 features Visit VoIPmonitor

vs

CallMeter #3 in VoIP Monitoring Software 9.0/10 Pricing on request ✓ 5 of 5 features Visit CallMeter

• VoIPmonitor fits best

  Broad, deep VoIP operations monitoring

• CallMeter fits best

  Teams needing active SIP quality testing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	VVoIPmonitor 9.4/10 Visit ↗	CallMeter 9.0/10 Visit ↗
At a glance
Editor score	9.4	9.0
Ranking	#1 in VoIP Monitoring Software	#3 in VoIP Monitoring Software
Best for	Broad, deep VoIP operations monitoring	Teams needing active SIP quality testing
Pricing model	Paid	Paid
Starting price	$259/unit/yr	Pricing on request
Free plan	—	Not checked yet
Free trial	30 days	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, Linux	Web
Support	Email, Tickets, Docs	Email, Docs
Compliance	PCI DSS	GDPR
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features VoIPmonitor 3/5 · CallMeter 5/5
MOS scoring	✓	✓
Jitter tracking	✓	✓
Packet-loss tracking	✓	✓
Synthetic call tests	Not checked yet	✓ (best)
SIP trunk monitoring	Not checked yet	✓ (best)
Specs
Data retention	21 days	Not checked yet
Our review
Pros	Analyzes SIP, RTP, WebRTC, MGCP, and SKINNY traffic Combines MOS, jitter, packet loss, PCAP, CDRs, and recordings Supports remote sensors, decryption, fraud detection, and integrations	90+ real-time metrics with MOS, jitter, packet loss, and timing data Combines scheduled probes, SIP load testing, and impairment injection REST API, CI/CD gates, webhooks, status pages, and flexible worker placement
Cons	No free plan beyond the 30-day full-featured trial Advanced capture and analysis require specialist VoIP expertise Cloud CDRs go to the hosted GUI while PCAP stays on the customer's server	Custom pricing requires a sales conversation No AI features are included Its focus is VoIP and SIP infrastructure rather than broad observability
Our verdict	VoIPmonitor is an open-source network packet sniffer paired with a commercial web interface for monitoring, troubleshooting, recording, and analyzing VoIP and real-time communications traffic. It is designed for telecom operators, service… Read the review →	CallMeter is a web-based SIP testing and VoIP analytics platform for teams operating voice or video infrastructure. It generates real SIP calls and measures voice, video, RTP, timing, and network-quality data. The platform supports… Read the review →

Strengths and trade-offs

• VoIPmonitor — where it wins

  • Analyzes SIP, RTP, WebRTC, MGCP, and SKINNY traffic
  • Combines MOS, jitter, packet loss, PCAP, CDRs, and recordings
  • Supports remote sensors, decryption, fraud detection, and integrations

  Where it doesn't

  • No free plan beyond the 30-day full-featured trial
  • Advanced capture and analysis require specialist VoIP expertise
  • Cloud CDRs go to the hosted GUI while PCAP stays on the customer's server

• CallMeter — where it wins

  • 90+ real-time metrics with MOS, jitter, packet loss, and timing data
  • Combines scheduled probes, SIP load testing, and impairment injection
  • REST API, CI/CD gates, webhooks, status pages, and flexible worker placement

  Where it doesn't

  • Custom pricing requires a sales conversation
  • No AI features are included
  • Its focus is VoIP and SIP infrastructure rather than broad observability

• VVoIPmonitor9.4/10 · 30-day trial

  Deep VoIP visibility for teams managing complex, distributed voice environments.

  Visit VoIPmonitorFull verdict →
• CallMeter9.0/10 · Pricing on request

  A focused platform for measuring, testing, and monitoring SIP and VoIP quality.

  Visit CallMeterFull verdict →