Service comparison

21st Century Mobile vs. Aircall

21st Century Mobile vs. Aircall — reliability, API availability, and incident frequency head-to-head.

Last 90 days · 17 incidents total · Data via Pulsetic monitoring

Head-to-head

90-day summary

21st Century Mobile

21st.se

Online
- 90-day uptime
  
  100.00%
- Incidents (90d)
  
  0
  
  0 major · 0 minor
- Median resolution
  
  —
- Longest outage
  
  —
View status page →
Aircall

aircall.io

Online
- 90-day uptime
  
  97.51%
- Incidents (90d)
  
  17
  
  3 major · 14 minor
- Median resolution
  
  1h 31m
- Longest outage
  
  19h 6m
View status page →

Uptime over time

Availability across windows

Window	21st Century Mobile	Aircall	Δ
Last 24 hours	100.00%	100.00%	0.00 pp
Last 7 days	100.00%	100.00%	0.00 pp
Last 30 days	100.00%	97.78%	+2.22 pp
Last 90 days	100.00%	97.51%	+2.49 pp

Δ is percentage-point difference (21st Century Mobile minus Aircall). Higher is better.

Incidents 90-day

Severity breakdown

21st Century Mobile

0 total

0 major 0 minor
- Median resolution
  
  —
- Longest outage
  
  —
Aircall

17 total

3 major 14 minor
- Median resolution
  
  1h 31m
- Longest outage
  
  19h 6m

Recent activity

Last 5 incidents, side-by-side

21st Century Mobile
- Nov 29
  
  Delivery Issue Tele2 & Telenor (Sweden)
  
  < 1m
  
  Minor
- Mar 10
  
  Messaging platform (myMSP) delivery delays
  
  < 1m
  
  Major
- Feb 14
  
  Messaging platform (myMSP) delivery delays
  
  1h 19m
  
  Minor
- May 10
  
  Messaging platform (myMSP) delivery delays
  
  32m
  
  Minor
- Apr 29
  
  Messaging platform (myMSP) inaccessible
  
  < 1m
  
  Minor
View all incidents →
Aircall
- Sep 8
  
  Outbound audio degradation for some SG customers
  
  3h
  
  Major
- Sep 3
  
  Increased Platform Errors
  
  38m
  
  Minor
- Sep 1
  
  Delayed MMS delivery confirmation for some customers
  
  44m
  
  Minor
- Aug 26
  
  Users stuck on call status
  
  1h 8m
  
  Minor
- Aug 25
  
  Inbound issues impacting some Mexico phone numbers
  
  10h 31m
  
  Minor
View all incidents →

Bottom line

21st Century Mobile wins

21st Century Mobile edges out on 90-day uptime.

21st Century Mobile posted 100.00% vs. 97.51% for Aircall (Δ +2.49 pp). Incidents: 0 vs. 17 (-17).

Also compare

Other 21st Century Mobile comparisons

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