Source note · Message waiting indicator troubleshooting

For some phone systems integrated through PIMG/TIMG units, Unity Connection must turn an MWI off on the same port that turned it on; if a different port is used, the MWI-off request fails and the MWI stays on.

Checked 2026-09-25

the MWI request for turning off the MWI fails

Vendor: Cisco
Product: Cisco Unity Connection
Subsystem: PIMG/TIMG integrations
Deployment: on-premises
Region: not restricted
Release range: Unity Connection Release 14 and 15
Checked: 2026-09-25

Sources

Troubleshooting Guide for Cisco Unity Connection Release 14 - Troubleshooting Message Waiting Indicators (MWIs) — Cisco Systems · tier 2 current vendor documentation · MWI Problems > MWIs Turn On but Do Not Turn Off

Cite this note

APA

WarmTransfer. (2026, September 25). Message waiting indicator troubleshooting: source note mwi-troubleshooting-cuc-port-memory. WarmTransfer. https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-cuc-port-memory

BibTeX

@misc{warmtransfer-claim-mwi-troubleshooting-cuc-port-memory,
  title  = {Message waiting indicator troubleshooting: source note mwi-troubleshooting-cuc-port-memory},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-cuc-port-memory},
  note   = {Source note mwi-troubleshooting-cuc-port-memory, checked 2026-09-25}
}

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