By default the dispatcher module marks a destination inactive after the first failed probe (ds_probing_threshold = 1) and active again after the first successful one (ds_inactive_threshold = 1).

Checked 2026-09-24

Vendor
Kamailio
Product
Kamailio dispatcher module
Subsystem
destination probing
Deployment
on-premises
Region
not restricted
Release range
stable docs as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-kamailio-thresholds. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-options-keepalive-kamailio-thresholds

BibTeX

@misc{warmtransfer-claim-sip-options-keepalive-kamailio-thresholds,
  title  = {SIP OPTIONS pings and trunk keepalives: source note sip-options-keepalive-kamailio-thresholds},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-options-keepalive-kamailio-thresholds},
  note   = {Source note sip-options-keepalive-kamailio-thresholds, checked 2026-09-24}
}

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