Business Phone Systems · reliability comparison
CloudTalk vs Vonage Business Communications: which is more reliable? (2026)
CloudTalk is more reliable than Vonage Business Communications, scoring 89.6 vs 73.0 out of 100. Over the last 90 days CloudTalk reported 2 incidents and Vonage Business Communications reported 3, with effective uptime of 99.91% and 99.72% respectively. CloudTalk resolves incidents faster on average (3h 33m).
Data updated Nov 1, 2026 · How we score
| Metric | CloudTalk | Vonage Business Communications |
|---|---|---|
| Reliability score | 89.6 | 73.0 |
| Rank (business phone systems) | #3 | #9 |
| Uptime (90 days) | 99.91% | 99.72% |
| Incidents (90 days) | 2 | 3 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 3h 33m | 13h 24m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where CloudTalk and Vonage Business Communications differ
- Vonage Business Communications reported 50% more incidents than CloudTalk over the last 90 days (3 vs 2).
- CloudTalk had 1 partial or major outage, compared with 0 for Vonage Business Communications.
- CloudTalk fixes problems faster: 3h 33m on average, against 13h 24m for Vonage Business Communications (3.8× quicker).
- CloudTalk's longest outage on record lasted 1d 20h (Nov 10, 2025); Vonage Business Communications's lasted 3d (Jan 21, 2026).
90-day uptime
CloudTalk
Vonage Business Communications
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent CloudTalk incidents
- Partial outageOct 13, 2026 · resolved in 3h 33m
Something is not working correctly
Affected: VoiceAgents
- MaintenanceAug 28, 2026 · ongoing
Scheduled database upgrade of contacts
Affected: Analytics, Messaging, CloudTalk Dialer, CloudTalk Dashboard, Integrations, Mobile Application +1 more
- InformationalAug 17, 2026 · resolved in 1h 21m
Recent Vonage Business Communications incidents
- Degraded performanceOct 23, 2026 · resolved in 21h 12m
Inbound Call Completion Issues — Select Canadian Regions
Affected: Inbound Call Completion
- Degraded performanceOct 5, 2026 · resolved in 17h 48m
Vonage Mobile App Intermittently Not Sending Notifications
Affected: Mobile App (Android™), Mobile App (iOS)
- Degraded performanceSep 3, 2026 · resolved in 1h 13m
Account Features Not Updating for Some Accounts
Affected: Call Forwarding, Virtual Receptionist, Call Queues, Receptionist Console
Other business phone systems to consider
- Grasshopper · #1 · 99.96% uptime
- JustCall · #2 · 99.96% uptime
- GoTo Connect · #4 · 99.87% uptime
- Quo (formerly OpenPhone) · #5 · 99.83% uptime