I have a Expressways pair to B2B calls with 5 RMS licenses, so my doubt is, Do I need this licenses to call to web-ex?

Hi I am trying to set up mobile remote acces, when I type my user and password Jabber shows me "Your username or password is not correct". On Expressway-C I see the following log: Detail="Request failed" User="('username', 'testuser')" Reason="Unable...