Generally speaking, speaking tasks are similar to Writing tasks. The teacher writes a task (a question or a topic) and the students send their answers when they are ready.
In the Speaking task teachers can attach audio files, set attempts limits and time limits for the duration of the student’s answer.
Teachers and students can also download their audio answers and listen to them on their PCs.
For exercises such as "Phonetic Training," as well as creating and forwarding tasks such as "Speak," you must allow the browser to receive sound from the computer's capture device. S. Sound Settings