Final answer:
Effective communication skills are important primarily for support agents who communicate via telephone and email.
Step-by-step explanation:
Effective communication skills are important primarily for support agents who communicate via telephone and email. Being able to communicate clearly and professionally through both verbal and written channels is crucial in providing excellent customer service and resolving issues efficiently. For example, support agents need effective verbal communication skills when speaking with customers over the phone, as they need to clearly understand the customer's concern and provide accurate information or solutions. Similarly, written communication skills are essential for responding to customer inquiries via email, ensuring clarity and professional tone.