Cisco documents Cisco Unified Border Element as able to bridge enterprise and PSTN with cloud calling services such as Webex Calling and MS Teams Direct Routing, and describes CUBE as a network-to-network demarcation interface for signalling and media interworking, address and port translation, billing, security, quality of service, call admission control and bandwidth management.

Checked 2026-09-21

Bridge enterprise and PSTN with cloud calling services such as Webex Calling, MS Teams Direct Routing and the like.
Vendor
Cisco
Product
Unified Border Element
Subsystem
sbc
Deployment
on-premises
Region
not restricted
Release range
IOS XE 17.6 onwards
Checked
2026-09-21

Sources

Cite this note

APA

WarmTransfer. (2026, September 21). CUCM to Teams Phone migration: source note cucm-to-teams-phone-cube-bridges-cloud-calling. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-cube-bridges-cloud-calling

BibTeX

@misc{warmtransfer-claim-cucm-to-teams-phone-cube-bridges-cloud-calling,
  title  = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-cube-bridges-cloud-calling},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-cube-bridges-cloud-calling},
  note   = {Source note cucm-to-teams-phone-cube-bridges-cloud-calling, checked 2026-09-21}
}

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