This paper deals with issues of web-conferencing systems accessibility and usability. These systems and applications are becoming increasingly popular in the educational process. Unfortunately, the majority of webconferencing systems are not designed for users with disabilities. The aim of this paper is to describe possibilities of web-conferencing system for teaching handicapped students and explain the benefits of using this solution for common education. The main part of testing the hypothesis and possibilities were carried out in the Adobe Acrobat Connect system which is commonly used in the educational process at CULS.