Cordless Phone Walkie Talkie Is There A Cordless Phone With An Intercom That Lets You Talk Without Answering The Handset?

Is there a cordless phone with an intercom that lets you talk without answering the handset? - cordless phone walkie talkie

I must be able to press "Intercom" and begin to speak, without any action taken by the person in the other room. Perhaps you have is a period of sound or light, but the fact that the other person can do the dishes, and I can not stop it, listen to what they do, too. Like a walkie-talkie.