Source note · Troubleshooting UCCE and CVP call failures
The Call Server log message 'VRU APPLICATION ERROR: Assigning the tag 7 to the non-existing ECC variable' means the ECC variable is missing in ICM/NAM or defined with different lengths; the fix is an identical ECC definition.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unified CVP
- Subsystem
- Call Server / ECC variables
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CVP 7.0(2) through 10.x as documented in technote 212350
- Checked
- 2026-10-02
Sources
- Troubleshoot CVP Call Server Problems — Cisco Systems · tier 2 current vendor documentation · Problem Summary 6
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting UCCE and CVP call failures: source note cvp-call-failures-troubleshooting-vru-app-error-ecc. WarmTransfer. https://warmtransfer.net/knowledge/claims/cvp-call-failures-troubleshooting-vru-app-error-ecc
BibTeX
@misc{warmtransfer-claim-cvp-call-failures-troubleshooting-vru-app-error-ecc,
title = {Troubleshooting UCCE and CVP call failures: source note cvp-call-failures-troubleshooting-vru-app-error-ecc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cvp-call-failures-troubleshooting-vru-app-error-ecc},
note = {Source note cvp-call-failures-troubleshooting-vru-app-error-ecc, checked 2026-10-02}
}