# Sinch Scheduled Maintenance - Elastic SIP Trunking - SBCs & Carrier Gateways

- Provider: [Sinch](https://down.guide/providers/sinch)
- Confidence: Confirmed
- Impact: Maintenance
- lasted 1h 1m
- started 2026-11-11 04:00 UTC
- API, Inbound Calling, Outbound Calling +2
- id: DWN-20a127163b
- Official page: https://stspg.io/y271qn9hxjvf

## Summary
Sinch says scheduled maintenance is in progress on Elastic SIP Trunking, covering SBCs and carrier gateways. The work covers routing and media handling updates, AMR-WB codec support for re-INVITEs, and media quality reporting improvements, and may cause a brief service interruption.

_Written by anthropic/claude-haiku-5.5 from Sinch's own updates._

## Updates from Sinch
### 2026-11-06 01:56 UTC: scheduled
Sinch Elastic SIP Trunking 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.

### 2026-11-11 04:00 UTC: in\_progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.

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