VOV BACSI24 application is an application for PATIENTS used in the online consultation system BACSI24, allowing patients to search for doctors under many different conditions, register for on-call medical consultation. Online video call with doctor anytime, anywhere. This application is an important channel to help patients do not have to go to hospitals and clinics directly. Thereby also helping patients save a lot of time (moving, waiting) and unnecessary costs. (*) HIGHLIGHTS: - Search for doctors according to common topics. - Search for a doctor by name and other information related to a doctor. - Get medical advice from doctors via video-call. - Post questions and get answers from other doctors and patients. (*) SUBJECTS OF USE: - Patient: All subjects. (*) TECHNICAL REQUIREMENTS, ENVIRONMENT TO USE: Device: Android device. Operating System (OS): from 4.4 to 11.0 Internal memory (RAM): from 2Gb and above Free disk space: from 100Mb or more Front camera: 3.0 MP or more