With midcall-signaling passthru media-change, CUBE consumes refresh re-INVITEs and passes a session refresh across to the other leg only when media changes.

Checked 2026-09-25

CUBE consumes reinvite with midcall-signaling passthru media-change. Session refresh is passed across only if there is a media change.

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: mid-call signaling
Deployment: on-premises
Region: not restricted
Release range: as documented 2018-10-18
Checked: 2026-09-25

Sources

Troubleshoot Session Refresh on CUBE — Cisco · tier 2 current vendor documentation · Section 'Consumption of Mid-Call RE-INVITE/UPDATE'

Cite this note

APA

WarmTransfer. (2026, September 25). SIP session timers: source note sip-session-timers-cube-refresh-per-leg. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-session-timers-cube-refresh-per-leg

BibTeX

@misc{warmtransfer-claim-sip-session-timers-cube-refresh-per-leg,
  title  = {SIP session timers: source note sip-session-timers-cube-refresh-per-leg},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-session-timers-cube-refresh-per-leg},
  note   = {Source note sip-session-timers-cube-refresh-per-leg, checked 2026-09-25}
}

Read in context