Source note · Connecting Unified CM to Genesys Cloud CX

CUBE passes chosen SIP headers between call legs through a voice class sip-hdr-passthrulist (passthru-hdr entries) applied to a dial-peer with voice-class sip pass-thru headers <list-tag>. voice-class sip pass-thru headers unsupp passes all unsupported headers.

Checked 2026-09-25

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: header pass-through
Deployment: on-premises
Region: not restricted
Release range: IOS XE 17.6 onwards
Checked: 2026-09-25

Sources

Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Pass Unsupported SIP Headers — Cisco · tier 2 current vendor documentation · configuration commands

Cite this note

APA

WarmTransfer. (2026, September 25). Connecting Unified CM to Genesys Cloud CX: source note cucm-with-genesys-cloud-cube-passthru-list. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-with-genesys-cloud-cube-passthru-list

BibTeX

@misc{warmtransfer-claim-cucm-with-genesys-cloud-cube-passthru-list,
  title  = {Connecting Unified CM to Genesys Cloud CX: source note cucm-with-genesys-cloud-cube-passthru-list},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-with-genesys-cloud-cube-passthru-list},
  note   = {Source note cucm-with-genesys-cloud-cube-passthru-list, checked 2026-09-25}
}

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