Teams shows a voicemail only if its message class is IPM.Note.Microsoft.Voicemail.UM, and SMTP delivery to Exchange on-premises strips the item class unless the connector is set up correctly.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Voicemail retrieval
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Voicemail Messages Aren't Delivered in Teams or Skype for Business Client — Microsoft · tier 2 current vendor documentation · Resolution For Symptom 2 > Exchange Email Connector
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Teams Phone voicemail that is not reached or not delivered: source note teams-voicemail-troubleshooting-message-class-um. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-voicemail-troubleshooting-message-class-um
BibTeX
@misc{warmtransfer-claim-teams-voicemail-troubleshooting-message-class-um,
title = {Troubleshooting Teams Phone voicemail that is not reached or not delivered: source note teams-voicemail-troubleshooting-message-class-um},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-voicemail-troubleshooting-message-class-um},
note = {Source note teams-voicemail-troubleshooting-message-class-um, checked 2026-10-02}
}