If neither the user nor an admin changes call answering rules, unanswered Teams calls go to voicemail after 30 seconds, even though the Teams admin center and PowerShell show the unanswered target as none with a 20-second delay.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone
Subsystem
call forwarding
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unanswered-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unanswered-default

BibTeX

@misc{warmtransfer-claim-cucm-teams-coexistence-unanswered-default,
  title  = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unanswered-default},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unanswered-default},
  note   = {Source note cucm-teams-coexistence-unanswered-default, checked 2026-09-25}
}

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