Business Phone Systems · reliability comparison

Google Voice vs Vonage Business Communications: which is more reliable? (2026)

Google Voice is more reliable than Vonage Business Communications, scoring 100.0 vs 73.0 out of 100. Over the last 90 days Google Voice reported 0 incidents and Vonage Business Communications reported 3, with effective uptime of 100% and 99.72% respectively.

Data updated Nov 1, 2026 · How we score

MetricGoogle VoiceVonage Business Communications
Reliability score100.073.0
Rank (business phone systems)—#9
Uptime (90 days)100%99.72%
Incidents (90 days)03
Partial / major outages00
Avg time to resolve—13h 24m
Outages we detected00
Transparency score100/100100/100

Where Google Voice and Vonage Business Communications differ

  • Google Voice reported no incidents in the last 90 days, while Vonage Business Communications reported 3.
  • Google Voice's longest outage on record lasted 56m (May 31, 2026); Vonage Business Communications's lasted 3d (Jan 21, 2026).

90-day uptime

Google Voice

Aug 4, 2026 – Nov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

Vonage Business Communications

Aug 4, 2026 – Sep 2, 2026: no incidentsSep 3, 2026: 99.23% uptime, 1 incident (Degraded performance)Sep 4, 2026 – Oct 4, 2026: no incidentsOct 5, 2026: 97.58% uptime, 1 incident (Degraded performance)Oct 6, 2026: 91.29% uptime, 1 incident (Degraded performance)Oct 7, 2026 – Oct 22, 2026: no incidentsOct 23, 2026: 97.69% uptime, 1 incident (Degraded performance)Oct 24, 2026: 89.05% uptime, 1 incident (Degraded performance)Oct 25, 2026 – Nov 1, 2026: no incidents
90 days ago99.720% average daily uptimeToday

Recent Google Voice incidents

No incidents reported by Google Voice in the last 90 days.

Full Google Voice reliability report →

Recent Vonage Business Communications incidents

Full Vonage Business Communications reliability report →

Other business phone systems to consider

See the full most reliable business phone systems ranking →