A call registration device of an elevator configured to perform a call registration by voice recognition using a voice input section configured to receive input of a voice spoken by a user of the elevator, comprising: a storage section which stores in advance, as destination registration vocabulary voice data, voice data of a predetermined destination registration vocabulary representing destination floors of call registration and stores in advance, as call registration canceling vocabulary voice data, voice data of a predetermined call registration canceling vocabulary which is used to cancel a call registration, is different from the destination registration vocabulary, and does not include the destination registration vocabulary; a voice recognition section configured to perform the voice recognition by making a judgment as to whether or not the voice inputted to the voice input section matches any of the destination registration vocabulary voice data and the call registration canceling vocabulary voice data, both stored in the storage section; a voice call registration section configured to, in the case where the voice inputted to the voice input section is judged to match the destination registration vocabulary voice data, output to an elevator control device a call registration request to a destination floor represented by the destination registration vocabulary of the destination registration vocabulary voice data which the voice matches; a destination floor holding section configured to hold the most up-to-date destination floor of the call registration request outputted from the voice call registration section; and a notification section configured to notify the user of at least one of a result of the voice recognition by the voice recognition section and a result of the call registration, wherein in the case where within a predetermined period of time in which a cancellation is possible after the holding of the most up-to-date destination floor in the destination floor holding section, a voice which matches the call registration canceling vocabulary voice data is inputted to the voice input section, the voice call registration section is configured to output to the elevator control device a call registration canceling request which cancels the call registration of the destination floor held by the destination floor holding section, wherein the voice input section is provided in the interior of a car of the elevator, wherein the storage section stores both the destination registration vocabulary voice data and the call registration canceling vocabulary voice data when a door is open and the destination registration vocabulary voice data and the call registration canceling vocabulary voice data when the door is closed in advance, and wherein the voice recognition section is configured to switch voice data to be used in the voice recognition according to the open and closed conditions of the door. a storage section which stores in advance, as destination registration vocabulary voice data, voice data of a predetermined destination registration vocabulary representing destination floors of call registration and stores in advance, as call registration canceling vocabulary voice data, voice data of a predetermined call registration canceling vocabulary which is used to cancel a call registration, is different from the destination registration vocabulary, and does not include the destination registration vocabulary; a voice recognition section configured to perform the voice recognition by making a judgment as to whether or not the voice inputted to the voice input section matches any of the destination registration vocabulary voice data and the call registration canceling vocabulary voice data, both stored in the storage section; a voice call registration section configured to, in the case where the voice inputted to the voice input section is judged to match the destination registration vocabulary voice data, output to an elevator control device a call registration request to a destination floor represented by the destination registration vocabulary of the destination registration vocabulary voice data which the voice matches; a destination floor holding section configured to hold the most up-to-date destination floor of the call registration request outputted from the voice call registration section; and a notification section configured to notify the user of at least one of a result of the voice recognition by the voice recognition section and a result of the call registration, wherein in the case where within a predetermined period of time in which a cancellation is possible after the holding of the most up-to-date destination floor in the destination floor holding section, a voice which matches the call registration canceling vocabulary voice data is inputted to the voice input section, the voice call registration section is configured to output to the elevator control device a call registration canceling request which cancels the call registration of the destination floor held by the destination floor holding section, wherein the voice input section is provided in the interior of a car of the elevator, wherein the storage section stores both the destination registration vocabulary voice data and the call registration canceling vocabulary voice data when a door is open and the destination registration vocabulary voice data and the call registration canceling vocabulary voice data when the door is closed in advance, and wherein the voice recognition section is configured to switch voice data to be used in the voice recognition according to the open and closed conditions of the door.