Cisco's MWI checklist requires confirming that voice messaging ports in the phone system integration are assigned to send MWI requests, that those ports are enabled, and that enough ports are so assigned.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unity Connection
Subsystem
voice messaging ports
Deployment
on-premises
Region
not restricted
Release range
Unity Connection Release 14 and 15
Checked
2026-09-25

Sources

Cite this note

APA

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

BibTeX

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

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