# Twilio: SMS Delivery Delays to Mobitel Network in Sri-Lanka for Messages from Numeric Sender ID

> Twilio status incident “SMS Delivery Delays to Mobitel Network in Sri-Lanka for Messages from Numeric Sender ID” on 2021-07-23: impact minor (vendor’s label), 4.3 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5
Last updated: 2021-07-23T20:37:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-07-23 16:21 UTC · Resolved: 2021-07-23 20:37 UTC · Duration: 4.3 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/ypkk08gbn6f5](https://status.twilio.com/incidents/ypkk08gbn6f5)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-07-23 20:37 UTC: We have fully investigated the SMS delivery delays when sending messages from numeric sender IDs to Mobitel Network in Sri-Lanka. It was determined that the impact was limited to a small set of customers. We will be contacting affected customers individually to address any concerns. This incident is now resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2021-07-23 16:21 UTC, resolved after 4.3 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5
- Citation: Twilio, “SMS Delivery Delays to Mobitel Network in Sri-Lanka for Messages from Numeric Sender ID” (2021-07-23 16:21 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays to Mobitel Network in Sri-Lanka for Messages from Numeric Sender ID (2021-07-23)](https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5)`


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Canonical: https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5 · Markdown: https://rewindex.com/company/twilio/incidents/ypkk08gbn6f5.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/ypkk08gbn6f5 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:30:39.508Z