Source note · CUCM to Webex Calling migration
A Local Gateway requires CUBE calling licences installed on the gateway, a CA root bundle, SIP digest credentials taken from Control Hub, and an enterprise firewall permitting outbound SIP, RTP over UDP and HTTP to the documented Webex Calling addresses and ports.
Checked 2026-09-16
- Vendor
- Cisco
- Product
- not restricted
- Subsystem
- Unified CM to Webex Calling migration
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Prepare your environment — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Sections: License requirements, Security and certificates, Network and firewall configuration
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-lgw-cube-licence-and-tls. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-lgw-cube-licence-and-tls
BibTeX
@misc{warmtransfer-claim-ucm-wxc-lgw-cube-licence-and-tls,
title = {CUCM to Webex Calling migration: source note ucm-wxc-lgw-cube-licence-and-tls},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucm-wxc-lgw-cube-licence-and-tls},
note = {Source note ucm-wxc-lgw-cube-licence-and-tls, checked 2026-09-16}
}