Patent ID: 7738917

Claim:
A cordless telephone system, comprising: a base unit; at least one cordless telephone handset that wirelessly communicates with the base unit, wherein the base unit and the at least one cordless telephone handset include speakerphones and displays; and a doorbell module that comprises a video camera and is located within a range of receivable wireless communications of the base unit and the at least one cordless telephone handset, the doorbell module comprising a page button, wherein when the page button is pressed, the doorbell module transmits an RF message to activate an alert sound from the speakerphones, and the video camera is initiated to take images, which are transmitted to a video processor, compressed and transmitted to at least one of the base unit and the one or more cordless telephone handsets, wherein the images are palettized and saved in a frame buffer prior to transmission, and wherein each line in each palettized image is read from the frame buffer, and a line identification number and address is incorporated into the line, thus forming line data representing the image.