Media flows initiated from Webex Calling toward a customer-chosen Local Gateway port range (UDP SRTP from source ports 19560-65535) apply only to certificate-based Local Gateways.

Checked 2026-09-25

Vendor
Cisco
Product
Webex Calling
Subsystem
network ports
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-return-media-cert. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-return-media-cert

BibTeX

@misc{warmtransfer-claim-webex-local-gateway-troubleshooting-return-media-cert,
  title  = {Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-return-media-cert},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-return-media-cert},
  note   = {Source note webex-local-gateway-troubleshooting-return-media-cert, checked 2026-09-25}
}

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