With Release 15SU4, Microsoft Graph API is the only supported option for Unity Connection integration with Office 365.
Checked 2026-09-30
With Release 15SU4, Microsoft Graph API is the only supported option for Office 365 integration as Exchange Web Services (EWS) is going to be deprecated.
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- unified messaging
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15SU4
- Checked
- 2026-09-30
Sources
- Release Notes for Cisco Unity Connection Release 15 Service Update 4 — Cisco Systems · tier 2 current vendor documentation · New and changed > Microsoft Graph API support for Unified Messaging with Office 365
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-graph-only-option. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-graph-only-option
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-graph-only-option,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-graph-only-option},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-graph-only-option},
note = {Source note unity-connection-single-inbox-setup-graph-only-option, checked 2026-09-30}
}