Seeing or hearing a phone in a dream means a message from your subconscious. You can face issues that you are trying to avoid. Or, a phone can represent your communication and relationship with others. To dream that you wont talk on the phone represents a situation you want to end. Dreaming of talking on the phone with someone means that you want to face that person about an issue.
Read more about dreaming of Telephone in other dream meanings interpretations.