Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Pass Unsupported SIP Headers

Publisher

Cisco

URL

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/ios-xe/config/ios-xe-book/m_pass_unsupported.html

Published

unknown

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• 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. in context
• CUBE does not support unsupported-header pass-through on SIP-to-SIP dial-peer rotary calls. in context

Cite this source record

APA

WarmTransfer. (2026, September 25). Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Pass Unsupported SIP Headers. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cube-xe-pass-unsupported-headers

BibTeX

@misc{warmtransfer-cisco-cube-xe-pass-unsupported-headers,
  title  = {Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Pass Unsupported SIP Headers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cube-xe-pass-unsupported-headers},
  note   = {Cisco, accessed 2026-09-25}
}