Resolution:
The conference password is setup for the first user to access the mcu service by following the next steps:

1. Choose conference Type (This is actually on of the mcu?s services, so the user initiating this conference should know all the mcu?s services)
2. Construct a unique conference password as follows:
   <prefix>unique conference password>.
   for example:
   605793, where 60 is one of the mcu?s services and 5793 is the choosen password
3. Notify all the participants the session password <605793>