Pointing a RingCX External phone or SIP Route node at a Unified CM phone or DN needs an internet-reachable SIP ingress in front of Unified CM, such as CUBE, that admits RingCentral's addresses and routes the call to Unified CM.

inferred · Checked 2026-09-25

Vendor
Cisco
Product
Unified Border Element
Subsystem
SIP edge
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-25
Status
inferred
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Connecting Unified CM to RingCentral contact center: source note cucm-with-ringcentral-contact-center-sip-needs-cube. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-with-ringcentral-contact-center-sip-needs-cube

BibTeX

@misc{warmtransfer-claim-cucm-with-ringcentral-contact-center-sip-needs-cube,
  title  = {Connecting Unified CM to RingCentral contact center: source note cucm-with-ringcentral-contact-center-sip-needs-cube},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-with-ringcentral-contact-center-sip-needs-cube},
  note   = {Source note cucm-with-ringcentral-contact-center-sip-needs-cube, checked 2026-09-25}
}

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