In Cisco's 12.x preferred architecture, Jabber locates the home cluster with the UDS /cucm-uds/clusterUser resource, then calls /cucm-uds/servers to list all UDS nodes in that cluster so that later UDS requests are load-balanced across them.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
UDS home cluster
Deployment
on-premises
Region
not restricted
Release range
Collaboration 12.x preferred architecture
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-uds-clusteruser-servers. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-clusteruser-servers

BibTeX

@misc{warmtransfer-claim-cisco-jabber-service-discovery-uds-clusteruser-servers,
  title  = {Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-uds-clusteruser-servers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-clusteruser-servers},
  note   = {Source note cisco-jabber-service-discovery-uds-clusteruser-servers, checked 2026-09-25}
}

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