Business Phone Systems · reliability comparison

8x8 vs CloudTalk: which is more reliable? (2026)

8x8 and CloudTalk are effectively tied on reliability (90.0 vs 89.6). Over the last 90 days 8x8 reported 0 incidents and CloudTalk reported 2, with effective uptime of 100% and 99.91% respectively.

Data updated Nov 1, 2026 · How we score

8x8

90.0/100

Unknown

Visit 8x8 ↗

CloudTalk

89.6/100

Operational

Visit CloudTalk ↗
VS
Metric8x8CloudTalk
Reliability score90.089.6
Rank (business phone systems)—#3
Uptime (90 days)100%99.91%
Incidents (90 days)02
Partial / major outages01
Avg time to resolve—3h 33m
Outages we detected00
Transparency score50/100100/100

Where 8x8 and CloudTalk differ

  • 8x8 reported no incidents in the last 90 days, while CloudTalk reported 2.
  • CloudTalk had 1 partial or major outage, compared with 0 for 8x8.

90-day uptime

8x8

Aug 4, 2026 – Oct 31, 2026: no dataNov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

CloudTalk

Aug 4, 2026 – Oct 12, 2026: no incidentsOct 13, 2026: 92.61% uptime, 1 incident (Partial outage)Oct 14, 2026 – Nov 1, 2026: no incidents
90 days ago99.917% average daily uptimeToday

Recent 8x8 incidents

No incidents reported by 8x8 in the last 90 days.

Full 8x8 reliability report →

Recent CloudTalk incidents

Full CloudTalk reliability report →

Other business phone systems to consider

See the full most reliable business phone systems ranking →