Você já recebeu sua resposta no fórum da Microsoft aqui , que é:
< add key=”applicationName” value=”yourApplicationName”/ >
< add key=”gruu” value=” < your trusted application’s gruu you get it after creating the trusted application on powershell> ”/ >
< add key=”listeningPort” value=” < your trusted application’s listening port > ”/ >
< add key=”contactUri” value=” < contact uri for your application which must be a free uri using it when creating the trusted application endpoint > ”/ >
< add key=”proxyServerFqdn” value=” < CS server FQDN > ”/ >