Final answer:
Voice mail is ideal for urgent messages, less personal than email, and should be avoided in professional settings.
Step-by-step explanation:
Voice mail:
a) Is ideal for urgent and time-sensitive messages
b) Is less personal than email
c) Should be avoided in professional settings
Voice mail is a communication channel that allows someone to leave a recorded message when the recipient is unavailable. While it can be used for urgent and time-sensitive messages, it is less personal than email because it lacks the ability for immediate two-way communication. In professional settings, it is generally advised to avoid relying solely on voice mail as it can lead to delays and miscommunication.