sip_reg-4.1.0 -V (return code: 1)
sip_reg-4.1.0: unrecognized option '--version'
Usage: sipreg [required_options] [optional_options]
[required_options]
-r --proxy sip:proxyhost[:port]
-u --from sip:user@host[:port]
[optional_options]
-c --contact sip:user@host[:port]
-d --debug (log to stderr and do not fork)
-e --expiry number (default 3600)
-f --firewallip N.N.N.N
-h --help
-l --localip N.N.N.N (force local IP address)
-p --port number (default 5060)
-U --username authentication username
-P --password authentication password
sip_reg-4.1.0 --help (return code: 0)
Usage: sipreg [required_options] [optional_options]
[required_options]
-r --proxy sip:proxyhost[:port]
-u --from sip:user@host[:port]
[optional_options]
-c --contact sip:user@host[:port]
-d --debug (log to stderr and do not fork)
-e --expiry number (default 3600)
-f --firewallip N.N.N.N
-h --help
-l --localip N.N.N.N (force local IP address)
-p --port number (default 5060)
-U --username authentication username
-P --password authentication password