I am building a house and need help with an intercom system?

There is a system out there that does intercom and whole house audio if you are going that route the intercom goes through your house speakers or you can get a speaker on the trim plate. russound.com. This system is expensive around 3000-4000.other products for cool intercoms,grey fox,onq,m&s,aiphone.Theres alot out there go with one the matches your house or style. good luck