The Release 12.5(1) guide says that if no MTP resource is available when one is needed, the call connects without an MTP and has no supplementary services.

Checked 2026-09-25 · superseded by cucm-media-resources-fail-call-mtp-param

If an MTP resource is not available when it is needed, the call connects without using an MTP resource, and that call does not have supplementary services.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
media termination point
Deployment
on-premises
Region
not restricted
Release range
Release 12.5(1)
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM media resources: source note cucm-media-resources-mtp-unavail-1251. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-media-resources-mtp-unavail-1251

BibTeX

@misc{warmtransfer-claim-cucm-media-resources-mtp-unavail-1251,
  title  = {Unified CM media resources: source note cucm-media-resources-mtp-unavail-1251},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-media-resources-mtp-unavail-1251},
  note   = {Source note cucm-media-resources-mtp-unavail-1251, checked 2026-09-25}
}

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