Claim record · CUCM CDR and CMR field reference
Unified CM stores IP addresses as unsigned integers and the call detail record file displays them as signed integers, and recovering the address means converting to a 32-bit hexadecimal value and reversing the byte order.
fact · verified 2026-09-15
The 32-bit hex value represents four bytes in reverse order (Intel standard).
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Call detail records
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 12.5(1)
- Status
- fact
- Confidence
- 0.90
- Verified
- 2026-09-15
Sources
- Call Detail Records Administration Guide for Cisco Unified Communications Manager Release 12.5(1), complete book, Internet Archive capture of 2025-03-23 — Cisco Systems, Inc., served by the Internet Archive · tier 2 current vendor documentation · Call Detail Records chapter, Convert Signed Decimal Value to IP Address
Cite this claim
APA
WarmTransfer. (2026, September 15). CUCM CDR and CMR field reference: claim cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed
BibTeX
@misc{warmtransfer-claim-cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed,
title = {CUCM CDR and CMR field reference: claim cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed},
note = {Claim cucmcdr-ip-addresses-are-stored-unsigned-and-displayed-signed, verified 2026-09-15}
}