The Release 12.5(1) troubleshooting guide attributes a reorder tone on going off hook to possible codec disagreement between regions, and directs verifying that both call ends support at least one common codec and using transcoders if they do not.
Checked 2026-09-30
If a user gets a reorder tone (busy signal) when going off hook, it could occur as the result of codec disagreement between regions.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- regions
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 12.5(1)
- Checked
- 2026-09-30
Sources
- Troubleshooting Guide for Cisco Unified Communications Manager Release 12.5(1) — Device Issues — Cisco Systems, Inc. (www.cisco.com) · tier 2 current vendor documentation · section 'Codec and Region Mismatches'
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM media resource allocation failures: source note cucm-media-resource-failures-reorder-codec-region. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-media-resource-failures-reorder-codec-region
BibTeX
@misc{warmtransfer-claim-cucm-media-resource-failures-reorder-codec-region,
title = {Troubleshooting Unified CM media resource allocation failures: source note cucm-media-resource-failures-reorder-codec-region},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-media-resource-failures-reorder-codec-region},
note = {Source note cucm-media-resource-failures-reorder-codec-region, checked 2026-09-30}
}