Source note · Network readiness assessment for cloud calling
Filtering Webex Calling traffic by IP address alone is not supported because some Webex IP address pools are dynamic and can change at any time.
Checked 2026-09-24
Filtering Webex Calling traffic using IP addresses alone isn't supported as some of the IP address pools are dynamic and may change at any time.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- firewall
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Port Reference Information for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · section 'Firewall configuration'
Cite this note
APA
WarmTransfer. (2026, September 24). Network readiness assessment for cloud calling: source note network-readiness-assessment-wxc-ip-only-filter. WarmTransfer. https://warmtransfer.net/knowledge/claims/network-readiness-assessment-wxc-ip-only-filter
BibTeX
@misc{warmtransfer-claim-network-readiness-assessment-wxc-ip-only-filter,
title = {Network readiness assessment for cloud calling: source note network-readiness-assessment-wxc-ip-only-filter},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/network-readiness-assessment-wxc-ip-only-filter},
note = {Source note network-readiness-assessment-wxc-ip-only-filter, checked 2026-09-24}
}