Business Phone Systems · reliability comparison
Dialpad vs Zoom Phone: which is more reliable? (2026)
Dialpad is more reliable than Zoom Phone, scoring 75.6 vs 51.8 out of 100. Over the last 90 days Dialpad reported 7 incidents and Zoom Phone reported 13, with effective uptime of 99.65% and 99.21% respectively. Dialpad resolves incidents faster on average (2h 59m).
Data updated Nov 1, 2026 · How we score
| Metric | Dialpad | Zoom Phone |
|---|---|---|
| Reliability score | 75.6 | 51.8 |
| Rank (business phone systems) | #9 | #13 |
| Uptime (90 days) | 99.65% | 99.21% |
| Incidents (90 days) | 7 | 13 |
| Partial / major outages | 2 | 0 |
| Avg time to resolve | 2h 59m | 1d 1h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Dialpad and Zoom Phone differ
- Zoom Phone reported 86% more incidents than Dialpad over the last 90 days (13 vs 7).
- Dialpad had 2 partial or major outages, compared with 0 for Zoom Phone.
- Dialpad fixes problems faster: 2h 59m on average, against 1d 1h for Zoom Phone (8.4× quicker).
- Dialpad's longest outage on record lasted 7h 37m (Oct 20, 2026); Zoom Phone's lasted 3d (Sep 25, 2026).
90-day uptime
Dialpad
Zoom Phone
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Dialpad incidents
- Degraded performanceOct 20, 2026 · resolved in 6h 5m
Some customers may be experiencing issues with devices.
Affected: Telephony Infrastructure: Inbound Calls, Telephony Infrastructure: Outbound Calls
- Partial outageOct 20, 2026 · resolved in 7h 37m
Some customers may be experiencing issues making or receiving calls.official update ↗
Affected: Telephony Infrastructure: Inbound Calls, Telephony Infrastructure: Outbound Calls
- Degraded performanceSep 23, 2026 · resolved in 45m
Service degradation affecting some IVR Customers
Affected: Omnichannel
- Degraded performanceSep 15, 2026 · resolved in 19m
Some users with US toll-free or midwest toll numbers may have had trouble with new or ongoing calls
Affected: Telephony Infrastructure: Inbound Calls, Telephony Infrastructure: Outbound Calls
- Degraded performanceSep 3, 2026 · resolved in 42m
Investigating degraded calling performance for some EU numbers and destinations
Affected: Telephony Infrastructure: Inbound Calls, Telephony Infrastructure: Outbound Calls, Carrier Networks: Local Numbers
- Partial outageSep 1, 2026 · resolved in 4h 37m
Partial service disruptionofficial update ↗
Affected: Telephony Infrastructure: Inbound Calls
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