The main reason why you keep receiving the unable to conference call message each time you try to initiate a conference call is that your network provider has disabled this service, or it was not activated in the first place.
We acknowledge your query and apologize for the same. We would request you register your concern in Samsung Members Application. So, our concern team gets back to you as soon as possible.
Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application>Support>Type your query>Ask a question/Tap an error report>Send)
Note. please attach the error log file within 15 minutes of the error occurring.
