In Kamailio, ds_select_dst() puts the chosen destination in the destination URI (outbound proxy), so it is not visible in the SIP request, while ds_select_domain() rewrites the host and port of the request URI.

Checked 2026-09-24

Vendor
Kamailio project
Product
Kamailio
Subsystem
dispatcher
Deployment
self-hosted
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). Kamailio and OpenSIPS SIP proxies: source note kamailio-sip-proxy-k-ds-select-dst-vs-domain. WarmTransfer. https://warmtransfer.net/knowledge/claims/kamailio-sip-proxy-k-ds-select-dst-vs-domain

BibTeX

@misc{warmtransfer-claim-kamailio-sip-proxy-k-ds-select-dst-vs-domain,
  title  = {Kamailio and OpenSIPS SIP proxies: source note kamailio-sip-proxy-k-ds-select-dst-vs-domain},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/kamailio-sip-proxy-k-ds-select-dst-vs-domain},
  note   = {Source note kamailio-sip-proxy-k-ds-select-dst-vs-domain, checked 2026-09-24}
}

Read in context