A certificate-based trunk's fully qualified domain name or SRV host address must be unique across the whole organisation, and a different port does not make an address unique: a trunk at london.lgw.cisco.com:5062 cannot be created while any other trunk uses the host address london.lgw.cisco.com, in either FQDN or SRV form.

Checked 2026-09-15

Vendor
Cisco
Product
Webex Calling
Subsystem
Trunks
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-15

Sources

Cite this note

APA

WarmTransfer. (2026, September 15). Trunks route groups and dial plans in Control Hub: source note wxtrk-certificate-trunk-address-unique-regardless-of-port. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxtrk-certificate-trunk-address-unique-regardless-of-port

BibTeX

@misc{warmtransfer-claim-wxtrk-certificate-trunk-address-unique-regardless-of-port,
  title  = {Trunks route groups and dial plans in Control Hub: source note wxtrk-certificate-trunk-address-unique-regardless-of-port},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxtrk-certificate-trunk-address-unique-regardless-of-port},
  note   = {Source note wxtrk-certificate-trunk-address-unique-regardless-of-port, checked 2026-09-15}
}

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