500 pro users payment part 2

BigAnt IM Messenger is an effective solution for office communication. Set up a secure and stable messaging system for daily communication.Easy for maintenance and with advanced features. Key features: 1.Send instant message and offline message 2.Share file or folder 3.Send group message 4.Voice and video chat 5.Desktop capture 6.Host conference 7.Send password-protected message 8.User friendly.