- Level
- confirmed
- Worst impact
- Maintenance
- Components
- Phone Calling (PSTN), SIP Trunk
- Regions
- us
Summary
Sinch says scheduled maintenance on Core Voice Calling Services (SBCs and carrier gateways) in the Americas region is in progress. The work may cause a brief interruption to service, and the provider will post updates as necessary.
Written by anthropic/claude-haiku-5.5 from Sinch's own updates.
What to do
Check whether you use Sinch Phone Calling (PSTN), SIP Trunk in us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Check that everything you run on Sinch came back after the window closed 2026-11-11 05:02 UTC.
Subscribe to Sinch's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=sinch works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Sinch 2
- scheduled
Sinch Core Voice Calling Services (Americas region) will be undergoing maintenance to include support for: - routing and media handling updates on the call routing platform, including media redirect headers. - AMR-WB codec for re-INVITEs to prepare for full support of AMR-WB. - improvements for media quality reporting and visibility. Sinch is taking precautions to prevent service impacts, but note that the scheduled work may result in a brief interruption with your service. This is being sent as a courtesy notice if you experience issues that extend beyond the maintenance window. We appreciate your patience and apologize for any inconvenience during this maintenance period. If the maintenance is extended or cancelled, we will advise accordingly. Please contact support@sinch.com for further information.
provider
- in_progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-cc77270571
Is this Sinch maintenance still going on?
No, it ended 2026-11-11 05:02 UTC.
How long did it last?
1h 3m, from 2026-11-11 04:00 UTC to 2026-11-11 05:02 UTC, by the times Sinch posted.
What was affected?
Sinch named Phone Calling (PSTN), SIP Trunk in us.
What caused it?
Sinch hasn't published a root cause. If it does, it shows here.
Where does this come from?
Sinch's official status page, https://status.sinch.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.