Source note · Microsoft Teams shared calling and call delegation
Falling back to the resource account number as the emergency callback number is not supported when that number is a Calling Plan toll-free service number; in that case Calling Plan subscriber numbers must be added as emergency numbers.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Emergency calling
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Configure Shared Calling — Microsoft · tier 2 current vendor documentation · Emergency callback number, second bullet; Calling Plan service numbers, second bullet
Cite this note
APA
WarmTransfer. (2026, September 25). Microsoft Teams shared calling and call delegation: source note teams-shared-calling-ecbn-tollfree-exception. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-shared-calling-ecbn-tollfree-exception
BibTeX
@misc{warmtransfer-claim-teams-shared-calling-ecbn-tollfree-exception,
title = {Microsoft Teams shared calling and call delegation: source note teams-shared-calling-ecbn-tollfree-exception},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-shared-calling-ecbn-tollfree-exception},
note = {Source note teams-shared-calling-ecbn-tollfree-exception, checked 2026-09-25}
}