How to dial to server from command prompt? (PPP)

C:\Users\> rasdial /h

        rasdial entryname [username [password|*]] [/DOMAIN:domain]
                [/PHONE:phonenumber] [/CALLBACK:callbacknumber]
                [/PHONEBOOK:phonebookfile] [/PREFIXSUFFIX]

        rasdial [entryname] /DISCONNECT

http://superuser.com/questions/620229/how-do-i-connect-to-internet-from-command-prompt