Source note · DNS SRV and service discovery for SIP
Each Webex Calling trunk is created with an FQDN or SRV host address that must be unique across the whole organization; no two trunks may share an address.
Checked 2026-09-24
This address MUST be unique for the entire organization and no two trunks can use the same address.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- trunk addressing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Configure trunks, route groups, and dial plans for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Certificate-based trunk requirements
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-wxc-trunk-unique-address. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-wxc-trunk-unique-address
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-wxc-trunk-unique-address,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-wxc-trunk-unique-address},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-wxc-trunk-unique-address},
note = {Source note dns-srv-voice-wxc-trunk-unique-address, checked 2026-09-24}
}