SIP OPTIONS ping is recommended on all SIP trunks so Unified CM tracks trunk state dynamically instead of per call and on timeout.

Checked 2026-09-25

Enabling SIP OPTIONS Ping is recommended for all SIP trunks
Vendor
Cisco
Product
Unified Communications Manager
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-options-ping. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-session-management-edition-options-ping

BibTeX

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

Read in context