Communication equipment in which first and second telephone number data is registered by a single selection key and first and second telephone number data is selected and dialed according to selection key input includes a data communication device and a conversation communication device. A first detector detects the hook state of the conversation communication device and a second detector detects the presence or absence of data. In response to the selection key input to dial the selected telephone number, a controller selects either the first or the second telephone number data according to the operation of the first and second detectors.
