The feature is configured by applying a Lua script to a SIP trunk or a SIP line, and Unified CM then runs the script against the SIP messages passing through that trunk or line.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
SIP normalization and transparency
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM SIP normalization and transparency scripts: source note cucm-sip-normalization-lua-on-trunk-or-line. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sip-normalization-lua-on-trunk-or-line

BibTeX

@misc{warmtransfer-claim-cucm-sip-normalization-lua-on-trunk-or-line,
  title  = {Unified CM SIP normalization and transparency scripts: source note cucm-sip-normalization-lua-on-trunk-or-line},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-sip-normalization-lua-on-trunk-or-line},
  note   = {Source note cucm-sip-normalization-lua-on-trunk-or-line, checked 2026-09-25}
}

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