NetHero — Network & VoIP Diagnostics
NetHero

NetHero

Network & VoIP Diagnostics

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VoIP & Network Intelligence
Find out what's hurting your calls.

NetHero scans your phone system, network, and cloud infrastructure, then tells you in plain English exactly what is broken and how to fix it — no guesswork, no jargon.

  • Plain-English findings — every result explained so anyone can act on it
  • No install needed — run directly from a browser or download the portable scanner
  • Learns from evidence — correlates live probes, configs, and packet captures
  • Expert-grade diagnosis — DNS, SIP, RTP, NAT, and firewall checks in seconds
NetHero — scan 192.168.1.100
$ NetHero scan --target 192.168.1.100 --profile voip
 
NetHero v1.4.0 — starting diagnostic scan
────────────────────────────────
 
[DNS] ✓ A record resolves correctly
[DNS] ✓ SRV _sip._tcp found (pbx.example.com)
[SIP] ✓ Port 5060/UDP reachable
[SIP] ✓ OPTIONS response: 200 OK (42 ms)
[RTP] ✗ RTP port range 10000-20000 blocked by firewall
[NAT] ⚠ SIP ALG detected — may corrupt headers
[TLS] ✓ SIPS port 5061/TCP reachable
 
────────────────────────────────
1 error 1 warning 5 passed
 
» RTP blocked: Open UDP 10000–20000 inbound on your firewall
» SIP ALG: Disable SIP ALG on your router (Firewall → SIP Helper)
Real-time diagnostics, built into the app

The NetHero desktop scanner runs embedded network health checks directly — no browser needed. Results appear immediately, are saved locally, and sync to your web dashboard.

NetHero desktop application — VoIP Health Score and Network Topology
⬇ NetHero Scanner CLI · Win 64-bit · No install ⬇ NetHero Desktop GUI · Win 64-bit
Everything you need to diagnose call problems

No specialized training required. NetHero does the technical work and explains what it found.

📶
Instant Diagnosis

DNS, SIP, RTP, and NAT probed in parallel. Results appear in seconds, ranked by impact — no waiting, no manual steps.

📊
Evidence-Based

Correlates live probe results, config text, and packet capture evidence into ranked findings. Nothing is invented — every conclusion has a source.

💬
Plain English

Every finding is explained without jargon. Each result includes what was found, why it matters, and a concrete step to fix it.

Three steps to a clear answer

Download the scanner to any Windows PC and have answers in minutes — no IT team or technical knowledge required.

1
Download & open — 30 seconds

Download a single file to any Windows laptop or desktop — nothing to install, no IT department needed. Double-click to open and NetHero is ready to go.

2
One click, automatic scan — ~2 minutes

Press Scan. NetHero silently checks your internet connection, router, phone system, and call quality paths — the same tests your IT vendor would run, done automatically while you wait.

3
Get your report & fix the problem

A plain-English report appears instantly showing every issue found, ranked by how much it hurts your calls. Each item tells you exactly what is wrong and what to do next. The report saves automatically to your computer and syncs to your dashboard.

Ready to find out why your calls are failing?

Download the scanner to any Windows PC and have a clear, actionable report in under 5 minutes — no vendor, no guesswork.