Suggest a set of test cases for each of the functional requirements, give a brief explanation for each steps and provide an explanation on the appropriateness of the suggested test cases. (Choose any testing techniques that is (are) presumed appropriate to test the selected requirements)

Functional Requirements:

1) Audio Transcript option must be available - For each conference call, there must be a speech to text option to have the transcript of the call available for future reference. The transcript should have the speaker's name plus the message he speaks.

2)Chat option - During an ongoing conference call, the participants should have the ability to chat with each other. A participant should have the option to send a chat message to everyone in the call or to a specific participant in the call.

3)Participant List - The participant list should be available on the screen i.e. each participant should have the ability to see who else is on the call.