Business Phone Systems · reliability comparison
Nextiva vs Zoom Phone: which is more reliable? (2026)
Nextiva is more reliable than Zoom Phone, scoring 66.1 vs 51.7 out of 100. Over the last 90 days Nextiva reported 8 incidents and Zoom Phone reported 13, with effective uptime of 99.37% and 99.21% respectively. Nextiva resolves incidents faster on average (2h 35m).
Data updated Nov 1, 2026 · How we score
| Metric | Nextiva | Zoom Phone |
|---|---|---|
| Reliability score | 66.1 | 51.7 |
| Rank (business phone systems) | #10 | #12 |
| Uptime (90 days) | 99.37% | 99.21% |
| Incidents (90 days) | 8 | 13 |
| Partial / major outages | 6 | 0 |
| Avg time to resolve | 2h 35m | 1d 1h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Nextiva and Zoom Phone differ
- Zoom Phone reported 63% more incidents than Nextiva over the last 90 days (13 vs 8).
- Nextiva had 6 partial or major outages, compared with 0 for Zoom Phone.
- Nextiva fixes problems faster: 2h 35m on average, against 1d 1h for Zoom Phone (9.7× quicker).
- Nextiva's longest outage on record lasted 8h 45m (Oct 1, 2026); Zoom Phone's lasted 3d (Sep 25, 2026).
90-day uptime
Nextiva
Zoom Phone
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Nextiva incidents
- Major outageOct 28, 2026 · resolved in 1h 4m
NextivaONE and NextOS Platform Login Issues
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
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
Recent Zoom Phone incidents
- MaintenanceOct 19, 2026 · resolved in 2d 12h
[Scheduled] Zoom Phone Maintenance - AMS3 Data Center: October 19, 2026
- InformationalOct 19, 2026 · resolved in 16m
Service Degradation Affecting ZP SMS Australia Mobile Numbers
Affected: SMS/MMS (Inbound/Outbound)
- MaintenanceOct 18, 2026 · resolved in 2h
[Scheduled] Zoom Phone Update - Japan SIP Zones: October 18, 2026 (No Operational Impact)
- MaintenanceOct 18, 2026 · resolved in 9h
[Scheduled] Zoom Phone Update: October 18, 2026 (No Operational Impact)
- InformationalOct 9, 2026 · resolved in 12m
Service Degradation Affecting Zoom Phone and Zoom Contact Center PCI Integration in North America
Affected: PCI Integration, PCI Integration
- MaintenanceOct 9, 2026 · resolved in 1d 6h
[Scheduled] Zoom Phone India Maintenance (Hyderabad Data Center): October 09, 2026
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