You can use phone to communicate with your families, but if you need a more simple way, the following Yapper WiFi enabled home intercom system may be able to catch your eyes.
The Yapper is a smartphone friendly home intercom system that measures 97 x 97 x 42mm. As we can see from the images, the home intercom features sleek, compact design, and using built-in WiFi connectivity the home intercom is able to easily join in the local network in your house in order that the home intercom can conveniently connect to your smartphone and allows your families to communicate with you, no matter where you are. Moreover, using custom designed app you can also selectively page specific rooms or make PA announcements to the whole house.
At present Yapper WiFi enable home intercom system is earning influence via answering pricing questions. If you’re interested, jump to Quirky official site for more details.