The 8.6 SME guide recommends that each leaf cluster build route lists of multiple prioritized SIP trunks, one per group of SME nodes in each data center, with Run on all Nodes enabled and a unique incoming port on each trunk.

Checked 2026-09-25

Create and prioritize multiple SIP trunks in route lists in each leaf cluster to distribute calls to each group of Unified CM Session Management Edition nodes in each data center
Vendor
Cisco
Product
Unified Communications Manager Session Management Edition
Subsystem
SIP trunks
Deployment
on-premises
Region
not restricted
Release range
Unified CM 8.5-8.6
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM Session Management Edition: source note cucm-session-management-edition-leaf-trunk-design. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-session-management-edition-leaf-trunk-design

BibTeX

@misc{warmtransfer-claim-cucm-session-management-edition-leaf-trunk-design,
  title  = {Unified CM Session Management Edition: source note cucm-session-management-edition-leaf-trunk-design},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-session-management-edition-leaf-trunk-design},
  note   = {Source note cucm-session-management-edition-leaf-trunk-design, checked 2026-09-25}
}

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