sip-dig(1) on Linux
The text 18b417075b95, as Debian 4.0 (Etch) shipped it.
Resolve SIP URIs.
Flags it lists
-
--no-sctp -
--sctp -
--tcp -
--tls -
--tls-sctp -
--udp -
-4 -
-6 -
-p -
-v