Source note · Unified CM call admission control
If a video call fails CAC, video endpoints or SIP trunks with Retry Video Call as Audio enabled retry the call as audio-only; the option is set on the endpoint or SIP trunk configuration page.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Enhanced Locations CAC
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Collaboration 14 preferred architecture
- Checked
- 2026-09-25
Sources
- Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Bandwidth Management — Cisco · tier 2 current vendor documentation · Bandwidth Management Deployment (Enhanced Locations CAC, video call failure)
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM call admission control: source note cucm-call-admission-control-retry-video-as-audio. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-retry-video-as-audio
BibTeX
@misc{warmtransfer-claim-cucm-call-admission-control-retry-video-as-audio,
title = {Unified CM call admission control: source note cucm-call-admission-control-retry-video-as-audio},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-admission-control-retry-video-as-audio},
note = {Source note cucm-call-admission-control-retry-video-as-audio, checked 2026-09-25}
}