Local Gateway SIP TLS signalling to Webex Calling goes from the gateway's external interface over TCP to the Webex Calling subnets on port 8934 for registration-based trunks and port 5062 for certificate-based trunks.

Checked 2026-09-24

Port 5062 (required for Certificate-based trunk). And port 8934 (required for Registration-based trunk)
Vendor
Cisco
Product
Webex Calling
Subsystem
Firewall ports
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up a Webex Calling Local Gateway: source note webex-calling-local-gateway-setup-port-outbound-sig. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-local-gateway-setup-port-outbound-sig

BibTeX

@misc{warmtransfer-claim-webex-calling-local-gateway-setup-port-outbound-sig,
  title  = {Setting up a Webex Calling Local Gateway: source note webex-calling-local-gateway-setup-port-outbound-sig},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-local-gateway-setup-port-outbound-sig},
  note   = {Source note webex-calling-local-gateway-setup-port-outbound-sig, checked 2026-09-24}
}

Read in context