IVR systems come in various types to cater to diverse needs: 1. Inbound IVR: Directs incoming calls to appropriate destinations based on user input. 2. Outbound IVR: Initiates automated calls for purposes like surveys, appointment reminders, or notifications. 3. Cloud-based IVR: Hosted in the cloud, offering scalability and flexibility without on-premise hardware requirements. 4. Speech Recognition IVR: Utilizes voice recognition technology, allowing users to interact with the system using spoken language. 5. Touch-Tone IVR: Relies on keypad input for user interaction, navigating through menu options using touch-tone keys.