Business Phone Systems · reliability comparison
8x8 vs Nextiva: which is more reliable? (2026)
8x8 is more reliable than Nextiva, scoring 90.0 vs 66.1 out of 100. Over the last 90 days 8x8 reported 0 incidents and Nextiva reported 8, with effective uptime of 100% and 99.37% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | 8x8 | Nextiva |
|---|---|---|
| Reliability score | 90.0 | 66.1 |
| Rank (business phone systems) | — | #11 |
| Uptime (90 days) | 100% | 99.37% |
| Incidents (90 days) | 0 | 8 |
| Partial / major outages | 0 | 6 |
| Avg time to resolve | — | 2h 35m |
| Outages we detected | 0 | 0 |
| Transparency score | 50/100 | 100/100 |
Where 8x8 and Nextiva differ
- 8x8 reported no incidents in the last 90 days, while Nextiva reported 8.
- Nextiva had 6 partial or major outages, compared with 0 for 8x8.
90-day uptime
8x8
Nextiva
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent 8x8 incidents
No incidents reported by 8x8 in the last 90 days.
Recent Nextiva incidents
- Major outageOct 28, 2026 · resolved in 1h 4m
NextivaONE and NextOS Platform Login Issuesofficial update ↗
Affected: Nextiva Call Center, NextivaONE, NextOS Platform
- Degraded performanceOct 27, 2026 · resolved in 45m
Intermittent Audio Quality and Calling Issues.
Affected: Nextiva Call Center, NextOS Platform
- Degraded performanceOct 20, 2026 · resolved in 2h 18m
Nextiva Contact Center Client Issues
Affected: Nextiva Contact Center
- Partial outageOct 1, 2026 · resolved in 8h 45m
Sales Chat Errorsofficial update ↗
Affected: Nextiva.com
- Partial outageSep 18, 2026 · resolved in 6m
Nextiva Call Center login failures
Affected: Nextiva Call Center
- Partial outageSep 11, 2026 · resolved in 27m
Nextiva Contact Center Inbound Calling Issues
Affected: Nextiva Contact Center
Other business phone systems to consider
- Grasshopper · #1 · 99.96% uptime
- JustCall · #2 · 99.96% uptime
- CloudTalk · #3 · 99.91% uptime
- GoTo Connect · #4 · 99.87% uptime