[Users] Difference between Alias and Listen

[Juha Heinanen]

Mark Kent writes:

 > >> lets sat your proxy gets an initial request with pre-loaded route header
 > >> Route: <sip:proxy.foo.bar>
 > >> assuming that proxy.foo.bar is hostname of the proxy and not any of the
 > >> domains that the proxy is responsible for
 > 
 > Under what conditions would that happen?

it is very common that hostname of proxy is different than users's
domains.

 > And, do you think this is a Best Common Practice (BCP)?
 > Namely, a clear separation between the domains the proxy is responsible for
 > and the hostname[s] of the server itself?

yes, i think that this separation is very useful.

 > As I think about this, anyone who controls a domain can set up an A
 > record that points to my openser box.  So, as an openser.cfg
 > "programmer", I don't want to process just any message that might end
 > up on my box, I want to process only messages targeted at domains that
 > I explicitly configure for, recognizing that I also have to handle
 > numeric IP addresses.

sure.

-- juha