new useful freeswitch tips

# display the value for the 'domain' variable 
fs>  eval ${domain}

fs>  user_exists id <domain>
# the value for <domain> can be obtained using the technique mentioned above: 'eval ${domain}'
# in the example below we try to locate user 100 at domain 127.0.0.1
fs>  user_exists 100 127.0.0.1

fs>  module_exists mod_directory
#will return true if  mod_directory has been loaded

fs>  load mod_directory
#will try to load mod_directory if it has been compiled and installed properly

fs>  xml_locate dialplan