Source note · Message waiting indicator troubleshooting
Unified CM documents that a SIP integration with Unity Connection uses a single trunk per Unity Connection server and removes the need to configure directory numbers for voicemail ports and MWI.
Checked 2026-09-25
The SIP integration eliminates the requirement to configure directory numbers for Voicemail Ports and message-waiting indicators (MWI).
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- voicemail integration
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM Release 15 and SUs
- Checked
- 2026-09-25
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Integrate Cisco Applications — Cisco Systems · tier 2 current vendor documentation · Integrate Cisco Applications > Cisco Unity Connection
Cite this note
APA
WarmTransfer. (2026, September 25). Message waiting indicator troubleshooting: source note mwi-troubleshooting-ucm-sip-no-mwi-dns. WarmTransfer. https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-ucm-sip-no-mwi-dns
BibTeX
@misc{warmtransfer-claim-mwi-troubleshooting-ucm-sip-no-mwi-dns,
title = {Message waiting indicator troubleshooting: source note mwi-troubleshooting-ucm-sip-no-mwi-dns},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-ucm-sip-no-mwi-dns},
note = {Source note mwi-troubleshooting-ucm-sip-no-mwi-dns, checked 2026-09-25}
}