For SMTP notification delivery problems the notification-devices chapter recommends SMTP micro trace levels 10, 11, 12 and 13, with level 18 adding network message detail.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- diagnostic traces
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-10-02
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Notification Devices — Cisco Systems · tier 2 current vendor documentation · SMTP message notification not working for multiple users > trace guidance
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-trace-lvls. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-trace-lvls
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-smtp-trace-lvls,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-trace-lvls},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-trace-lvls},
note = {Source note unity-connection-notification-troubleshooting-smtp-trace-lvls, checked 2026-10-02}
}