A call arriving over Direct Routing is sent straight to the Teams user's voicemail, without notifying the user, when opaque=app:voicemail is attached to the Request-URI.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- voicemail
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Enable users for Direct Routing — Microsoft · tier 2 current vendor documentation · Configure sending calls directly to voicemail
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-eu-opaque-voicemail. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-eu-opaque-voicemail
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-eu-opaque-voicemail,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-eu-opaque-voicemail},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-eu-opaque-voicemail},
note = {Source note cucm-teams-hybrid-build-eu-opaque-voicemail, checked 2026-09-24}
}