The system requirements article states that Azure Communication Services is required for first-party voice and SMS in the voice channel in production environments.

Checked 2026-09-30

Azure Communication Services is required for first-party voice and text (SMS) in the voice channel in production environments.
Vendor
Microsoft
Product
Dynamics 365 Contact Center
Subsystem
voice-channel
Deployment
multi-tenant
Region
not restricted
Release range
as documented 2026-01-30; possibly stale after the 2026-09 ACS retirement notice
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Microsoft Dynamics 365 Contact Center: source note dynamics-365-contact-center-acs-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/dynamics-365-contact-center-acs-required

BibTeX

@misc{warmtransfer-claim-dynamics-365-contact-center-acs-required,
  title  = {Microsoft Dynamics 365 Contact Center: source note dynamics-365-contact-center-acs-required},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/dynamics-365-contact-center-acs-required},
  note   = {Source note dynamics-365-contact-center-acs-required, checked 2026-09-30}
}

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