Source note · Troubleshooting Webex Contact Center Agent Desktop disconnects and connection-lost banners
Cisco's logout-prevention technote tells customers to add a list of domains, including *.cisco.com, *.ciscoccservice.com, *.ciscospark.com, *.wbx2.com and *.webex.com on port 443, to the firewall and VPN allowed lists.
Checked 2026-10-02
To ensure that the Desktop responds as expected on your network, add these domains to the Firewall/Virtual Private Network (VPN) allowed list:
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- network-requirements
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Configure Environment to Prevent Agent Desktop Logout — Cisco Systems (TAC TechNote) · tier 2 current vendor documentation · Configure Network with Domain Access Required for Agent Desktop
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Webex Contact Center Agent Desktop disconnects and connection-lost banners: source note wxcc-desktop-connectivity-troubleshooting-allowlist-domains. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-desktop-connectivity-troubleshooting-allowlist-domains
BibTeX
@misc{warmtransfer-claim-wxcc-desktop-connectivity-troubleshooting-allowlist-domains,
title = {Troubleshooting Webex Contact Center Agent Desktop disconnects and connection-lost banners: source note wxcc-desktop-connectivity-troubleshooting-allowlist-domains},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-desktop-connectivity-troubleshooting-allowlist-domains},
note = {Source note wxcc-desktop-connectivity-troubleshooting-allowlist-domains, checked 2026-10-02}
}