The dispatcher module's ds_ping_interval defaults to 0, and at 0 pinging of inactive gateways is disabled, so an operator has to set it for OPTIONS probing to run.

Checked 2026-09-24

If set to '0', the pinging of inactive gateway is disabled.
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-ping-interval. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-options-keepalive-kamailio-ping-interval

BibTeX

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

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