Setting the Unified CM clusterwide service parameter Multiple Tenant MWI Modes (Cisco CallManager service, Feature - General) to True makes Unified CM apply configured translation patterns to convert voicemail extensions into directory numbers when turning MWIs on or off.

Checked 2026-09-25

When this parameter is set to True, Cisco Unified CM uses any configured translation patterns to convert voicemail extensions into directory numbers when turning on or off an MWI.
Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
service parameters
Deployment
on-premises
Region
not restricted
Release range
Unity Connection Release 15 integration guide
Checked
2026-09-25

Sources

Cite this note

APA

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

BibTeX

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

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