PAM2000 - Computer software designed to automatically call patients to remind them of appointments and other important messages. Spiral Software - Developer of OnCall, software that schedules residents rotations, shifts, clinics and calls. ClientTell - Provider of automated patient appointment reminders sent via phone, text message, email and smartphone app notifications, for medical, dental, and veterinarian practices. Tavoca - Offers provides automated telephone appointment reminder services. Tropical Systems - Offers an automated outbound appointment reminder system. UltraGenda - Offers web-native, rules-based scheduling solutions for healthcare. Includes online demonstration. Eppointments Plus - Offers online appointment scheduling software for physicians which manages patient medical histories.