Picture phone terminal interrupt function and picture phone terminal having communication disconnection notifying function

摘要

The invention provides a picture phone terminal and an exchange for use, for example, with a picture phone interrupt service system for a broadband ISDN which makes it possible to confirm, when an incoming call arrives, during communication between a plurality of picture phones, at one of the picture phone terminals from a third picture phone terminal, the incoming call during the communication without disturbing the communicating condition at present. The picture phone terminal or the exchange comprises means for receiving image information from a second picture phone terminal with which the picture phone terminal is communicating, means for receiving interrupt notifying image information representing that an incoming call from a third picture phone terminal has arrived, image composing means for composing the image information from the second picture phone terminal with which the picture phone terminal is communicating and the interrupt notifying image information from the third picture phone terminal, and display means for displaying the composite image information composed by the image composing means.