The prerequisites page warns that outbound calls fail if Calling Plan resource accounts making outbound, callback or on-behalf-of calls had no pay-as-you-go license or Communications credits assigned by 2025-11-01.

Checked 2026-09-24

Vendor
Microsoft
Product
Microsoft Teams Phone
Subsystem
outbound-pstn
Deployment
multi-tenant
Region
not restricted
Release range
from 2025-11-01
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Microsoft Teams auto attendants and call queues: source note teams-auto-attendant-call-queue-outbound-fail. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-auto-attendant-call-queue-outbound-fail

BibTeX

@misc{warmtransfer-claim-teams-auto-attendant-call-queue-outbound-fail,
  title  = {Microsoft Teams auto attendants and call queues: source note teams-auto-attendant-call-queue-outbound-fail},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-auto-attendant-call-queue-outbound-fail},
  note   = {Source note teams-auto-attendant-call-queue-outbound-fail, checked 2026-09-24}
}

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