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SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

ResolvedminorOfficial source confirmedSpecific component onlySource start Oct 21, 2026, 04:42 PM · Resolved Oct 21, 2026, 10:43 PM

The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender Type to Jazz network subscribers in Pakistan is operating normally.

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What visitors reported during this incident

No visitor reports were filed for this incident.

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Affected services

SMS, APAC

Updates (6)

  1. Oct 21, 2026, 10:43 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender Type to Jazz network subscribers in Pakistan is operating normally.

    Twilio ↗
  2. Oct 21, 2026, 09:06 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender Type to Jazz network subscribers in Pakistan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

    Twilio ↗
  3. Oct 21, 2026, 07:59 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Jazz network subscribers in Pakistan. 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.

    Twilio ↗
  4. Oct 21, 2026, 05:58 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Jazz network subscribers in Pakistan. 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.

    Twilio ↗
  5. Oct 21, 2026, 04:49 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Jazz network subscribers in Pakistan. 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.

    Twilio ↗
  6. Oct 21, 2026, 04:42 PM
    SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

    Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Jazz network subscribers in Pakistan. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    Twilio ↗

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow Twilio's status feed →

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