On a normal outbound PSTN call by a Shared Calling user, the caller ID is the phone number assigned to the resource account named in the user's Shared Calling policy, typically the organization's main Auto attendant number.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone
Subsystem
Shared Calling
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). Microsoft Teams shared calling and call delegation: source note teams-shared-calling-outbound-caller-id. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-shared-calling-outbound-caller-id

BibTeX

@misc{warmtransfer-claim-teams-shared-calling-outbound-caller-id,
  title  = {Microsoft Teams shared calling and call delegation: source note teams-shared-calling-outbound-caller-id},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-shared-calling-outbound-caller-id},
  note   = {Source note teams-shared-calling-outbound-caller-id, checked 2026-09-25}
}

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