For caller-specific MOH, if the user and network MOH audio source identifiers are not provisioned, the caller-specific MOH information in the SIP header is ignored and the call reverts to tone on hold.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
music on hold
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM media resources: source note cucm-media-resources-moh-tone-on-hold. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-media-resources-moh-tone-on-hold

BibTeX

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

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