For single inbox to work, Unity Connection must be configured with the user's correct Exchange email address and the user needs an SMTP proxy address that matches that address.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- unified messaging
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-09-30
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Unified Messaging — Cisco Systems · tier 2 current vendor documentation · Troubleshooting Single Inbox Issues > email address and SMTP proxy address checks
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-smtp-proxy-match. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-smtp-proxy-match
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-smtp-proxy-match,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-smtp-proxy-match},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-smtp-proxy-match},
note = {Source note unity-connection-single-inbox-setup-smtp-proxy-match, checked 2026-09-30}
}