The repeat call rate refers to the percentage of calls made to a customer service center that result in a second call from the same customer within a specific time period. This metric is used to measure the effectiveness of a company’s customer service, as a high repeat call rate indicates that customers are not satisfied with the resolution of their initial call and require further assistance. A low repeat call rate, on the other hand, signifies that customers are receiving satisfactory support and do not need to contact the company again for the same issue. Monitoring and improving the repeat call rate is crucial for businesses to maintain customer loyalty and satisfaction.