There are many links on the web that refer people to MW Enterprises
(this web site) in search of InterACE Slow Scan Television (SSTV) software.
Unfortunately those links are all out of date and refer to a different
business that happened to have the same name as us. We didn't
create the InterACE SSTV software, we don't have a copy of it, we don't
use it and we are not involved in ham radio.
However, since we are a helpful sort of organisation, here are a few
links we found to places that might be able to give you what you seek:
On 22nd February 2005 we were informed by a user of the InterACE
SSTV software that UDP ports 27222 and 27223 must be open on
the firewall. However on 29th May 2007 we were informed by a
different user that the UDP ports are not used and that it is, in
fact, TCP ports 27222 and 27223 that need to be open.