# Sinch: General Network Disturbance - US
- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-12-15 15:39 UTC · Resolved: 2021-12-16 04:52 UTC · Duration: 13 h
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/8sg7ly9vgp83](https://status.sinch.com/incidents/8sg7ly9vgp83)
- [Company: Sinch](https://rewindex.com/company/sinch.md)
## Part of an outage event
- [AWS outage, Dec 15, 2021: 49 vendors, 50 incidents](https://rewindex.com/events/2021-12-15-aws)
- This incident started in the same window without naming AWS (timing only, not evidence of a link). (timing only, posted +7 min vs the first vendor naming AWS)
```mermaid
flowchart LR
root["AWS
own incident not archived"]:::inferred
h1["Within an hour
15 vendors, 11 blamed AWS
Daily, Gusto, Logz.io +12"]:::blames
root --> h1
me["Sinch (this incident)
posted +7 min"]:::me
root -.->|"same window"| me
```
_Detected automatically from incidents that started together and named the same provider; a link means one incident named another vendor, not a confirmed cause._
## Timeline of updates
- **resolved** 2021-12-16 04:52 UTC: Dear Client, The regional internet connectivity problems in US west coast has been resolved. Start Time: 2021-12-15 15:20 UTC End Time: 2021-12-15 15:58 UTC Impact: Connectivity issues towards Sinch's SMPP, HTTP and ENUM API in US2 Connectivity issues towards Sinch's Legacy SMPP and Redhot XML API in US2 SMS MT and MO delays on AT&T, T-Mobile and Verizon We apologize for the inconvenience this has caused, and please reach out to support@sinch.com for further information. Sincerely, Sinch Support.
_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._
---
Canonical: https://rewindex.com/company/sinch/incidents/8sg7ly9vgp83 · Markdown: https://rewindex.com/company/sinch/incidents/8sg7ly9vgp83.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/8sg7ly9vgp83 · Generated 2026-10-19T23:15:29.277Z