A registration-based Local Gateway trunk supports up to 250 concurrent calls and requires CUBE on Cisco IOS XE Bengaluru 17.6.1a or later, while a certificate-based mTLS trunk supports more than 250 concurrent calls and requires Cisco IOS XE Cupertino 17.9.1a or later.

Checked 2026-09-22

Vendor
Cisco
Product
Webex Calling Local Gateway
Subsystem
telephony
Deployment
hybrid
Region
not restricted
Release range
current as of 2026-09-22
Checked
2026-09-22

Sources

Cite this note

APA

WarmTransfer. (2026, September 22). UCCX to Webex Contact Center migration: source note uccx-to-webex-contact-center-lgw-trunk-types. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-contact-center-lgw-trunk-types

BibTeX

@misc{warmtransfer-claim-uccx-to-webex-contact-center-lgw-trunk-types,
  title  = {UCCX to Webex Contact Center migration: source note uccx-to-webex-contact-center-lgw-trunk-types},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-contact-center-lgw-trunk-types},
  note   = {Source note uccx-to-webex-contact-center-lgw-trunk-types, checked 2026-09-22}
}

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