1. We talk very freely, always using the talkback, never the phone.

2. Please inform you the real name, the talk-back !

3. Engineers make use of it for calling and talk-back in cabin. It also serves as a extention alarm device.

4. I heard some people speaking on radio talk-back the other day, and I'd never have understood their non-professional and very individual voices without the experience here.

5. At the same time, add the monitor function to the visual talk-back system is one of the develop orientations .

6. This paper realizes a digital embedded video communication and monitor system that used in visual talk-back .

7. In this us restates, we ever do not suggest the buyer in a question and answer version row plain - text telegram postal and the talk-back !

8. With the development of the information times and the popularization of intelligent building, the visual talk-back system becomes an important symbol to modernized building.