URGENT help sambapos messaging server not conencting

hi Guys i need some urgent help i am doing a setup and i cannot get clients to connect to message server. i followed this

went true this

but nothing
the only thing different in my setting is instead of serverpc name we put ip and instead of port we put 9000+

https://kb.sambapos.com/en/2-2-2-what-is-sambapos-messaging-server-how-to-install

Please follow this.