To see or hear a mobile phone in your dream, signifies a message from your unconscious or some sort of telepathic communication.
You may be forced to confront issues which you have tried to avoid.
To dream that you do not want to answer the ringing mobile phone, indicates lack of communication.
There is a situation or relationship that you are trying to keep at a distance. If you can’t reach someone on the phone in a dream, you must listen to your inner voice more closely for your life to move on the way it should.
Also see “Caller I.