The CMR latency field is an estimate of network latency in milliseconds, but it is not populated for all phone loads; Cisco cites SIP 9.2.1 and 9.2.2 as loads that do not show latency.
Checked 2026-09-22
CMR records will not show latency for all phone loads.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- CMR
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-22
Sources
- Call Reporting and Billing Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - CMR Field Descriptions — Cisco Systems · tier 2 current vendor documentation · CMR Field Descriptions table, row latency and its note
Cite this note
APA
WarmTransfer. (2026, September 22). CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-latency. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-management-records-latency
BibTeX
@misc{warmtransfer-claim-cucm-call-management-records-latency,
title = {CUCM call management records (CMR) fields and the CDR relation: source note cucm-call-management-records-latency},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-management-records-latency},
note = {Source note cucm-call-management-records-latency, checked 2026-09-22}
}