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Twilio · Apps and SaaSNov 5, 2026, 18:34 UTC yesterday

Voice Call Failures from a Subset of Twilio Mobile Numbers to Telefonica Argentina

MinorNot disclosedUpdated 4h ago
Nov 5, 18:34 UTCOngoing
Duration
Ongoing
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
551 incidents
Affected
Voice, Latin AmericaCARRIER NETWORK - Voice, Latin America
Status page

Final update

Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Timeline

  1. Identified · Nov 6, 02:21 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
  2. Identified · Nov 5, 22:15 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
  3. Identified · Nov 5, 20:13 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
  4. Identified · Nov 5, 19:12 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
  5. Investigating · Nov 5, 18:34 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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