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CallMeter vs Obkio

Both stand on voip monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

CallMeter

Free trial APISelf-hostedWeb

CallMeter combines configurable SIP testing, continuous probes, and programmatic controls for voice infrastructure teams. The trial terms and distinction between public cloud workers and private-network user-owned workers are worth reviewing first.

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Obkio

Free plan AndroidAPIiPhone+4

Obkio combines synthetic performance checks with device monitoring, application checks, and traceroutes. The free plan and trial have explicit agent limits; larger or specialized plans require a quote.

Visit Obkio

The facts

CallMeterObkio
Free planNot publishedYes
Open sourceNoNo
Runs onAPI, Self-hosted, WebAndroid, API, iPhone, Linux, Mac, Web, Windows
Lowest paid planFree or on requestStarter: $249 a month
Plans published612
MakerNot publishedNot published
Websitecallmeter.ioobkio.com
On voip monitoring software#7 of 20#3 of 20

CallMeter: what it does well

  • Measures more than 90 real-time quality metrics.
  • Configurable SIP load tests include message capture.
  • Continuous probes can send webhook notifications.
  • REST API supports CI/CD quality gates.
  • User-owned workers keep signaling and media in-network.

What to know first

  • Seven-day trial requires a valid payment method.
  • Trial converts to a paid subscription unless canceled.
  • Cloud workers reach only publicly exposed SIP infrastructure.
  • Pricing is available on request.

Obkio: what it does well

  • Synthetic checks run every 500 milliseconds.
  • Measures latency, packet loss, jitter, throughput, and MOS.
  • Traceroutes show hop-level latency.
  • Exports reports as Excel, PDF, or JSON.
  • Uses synthetic traffic, not captured user traffic.

What to know first

  • Free plan is limited to two software agents.
  • Trial lasts 14 days and allows up to 10 agents.
  • Agents above two are disabled after trial.
  • Live chat and email support are listed for weekdays.

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