# Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - Americas

> Sinch maintenance “Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - Americas” on 2026-10-08: impact maintenance (vendor’s label), 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb
Last updated: 2026-10-08T09:43:59Z

- Impact (vendor’s label): maintenance (maintenance)
- Status: scheduled
- Started: 2026-10-08 09:43 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 1 · Affected components: Contact Pro - Contact Pro - NA (North America), Contact Pro - NA (North America)
- [Vendor status page: https://stspg.io/b2tks3j32k1y](https://stspg.io/b2tks3j32k1y)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **scheduled** 2026-10-08 09:43 UTC: Dear Customer, The Sinch Contact Pro certificate \*.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 7 AM UTC End time: 2026-11-8 (Sunday) 8 AM UTC During the maintenance window, all voice channels will experience a short disruption, up to 10 minutes. Customer Action: The certificate authority and the issuer chain will change to Amazon. To avoid potential connection issues, Sinch strongly recommends verifying the certificate trust relationship in advance. How to verify the certificate trust relationship: Contact Pro UIs (e.g., Communication Panel): Visit https://certificatetest.cc.sinch.com/, Ensure that no security warnings appear when connecting. Integrations using cc.sinch.com (e.g., CRM integrations): Check that your system trusts the new issuer chain. You can also test connectivity using URL https://certificatetest.cc.sinch.com/ . SIP trunks: Review your configured trusted issuers to ensure the new issuer chain is accepted. New certificate details: CN = cc.sinch.com (\*.cc.sinch.com) Serial: 0A:22:B4:2A:71:41:AF:02:70:2B:81:4A:CC:70:24:EA Issuer: CN = Amazon RSA 2048 M04 CN = Amazon RSA 2048 M04 Serial: 07:73:12:4F:2A:95:2E:3E:D1:8A:58:BD:B8:5D:1B:C0:CE:5F:27 Issuer: Amazon Root CA 1 CN = Amazon Root CA 1 Serial: 06:6C:9F:CF:99:BF:8C:0A:39:E2:F0:78:8A:43:E6:96:36:5B:CA Issuer: Amazon Root CA 1 Certificates are available for download here: https://clxgroup.sharepoint.com/:f:/s/EXTSinchSharing1/IgC-iGB\_R7TkSJzUCFHnT7ulAcom1Bo2RLwLJm9XrAmregQ?e=HNH6tC For additional information or questions, please contact us via the Sinch Enterprise Support portal: https://sinchenterprise.atlassian.net/servicedesk/customer/portal/1181 Best regards, Sinch Contact Pro Team

## Cite this

Maintenance posted by Sinch, started 2026-10-08 09:43 UTC, not resolved, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb
- Citation: Sinch, “Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - Americas” (2026-10-08 09:43 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb (CC BY 4.0).
- Markdown link: `[Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - Americas (2026-10-08)](https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb)`


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Canonical: https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb · Markdown: https://rewindex.com/company/sinch/incidents/4gdf0n0wnndb.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/4gdf0n0wnndb · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:53:54.109Z