Here are described basic settings to setup Mobile Service and get it running:

Set HTTP or HTTPS port.
Set Enable SSL if you want to use SSL connection
Set SSL Certificate if you want to use SSL connection.
Root path: Set root path if you want to use as yourdomainname.com/ebadms
Mobile server: Set you external addres to access EBA DMS mobile
Default Language: Set language for web users
Server name or address: Set server name or IP address where mobile service is running.
More details about Messenger service here.