Cisco's TAC examples manipulate headers with msg:getHeader, msg:modifyHeader, msg:removeHeader and msg:addHeader, for example removing Cisco-Guid from inbound INVITEs and adding INFO to Allow.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
Lua API
Deployment
on-premises
Region
not restricted
Release range
written against 11.5
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-header-apis. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sip-normalization-header-apis

BibTeX

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

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