Unified CM's Connection Monitor Duration sets how long a phone watches its Unified CM connection before leaving the SRST gateway. It guards against WAN flapping, defaults to 120 seconds, and can be set cluster-wide or per device pool.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
srst-reference
Deployment
on-premises, dedicated-instance
Region
not restricted
Release range
CUCM 15 and SUs
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Remote site survivability patterns: source note survivability-remote-site-cucm-cmd-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/survivability-remote-site-cucm-cmd-default

BibTeX

@misc{warmtransfer-claim-survivability-remote-site-cucm-cmd-default,
  title  = {Remote site survivability patterns: source note survivability-remote-site-cucm-cmd-default},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/survivability-remote-site-cucm-cmd-default},
  note   = {Source note survivability-remote-site-cucm-cmd-default, checked 2026-09-24}
}

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