Issue resolution refers to the process of addressing and solving a customer's problem or complaint effectively and efficiently.

In customer service, successful issue resolution is crucial as it directly impacts customer satisfaction and loyalty. This process typically involves identifying the problem, investigating the cause, proposing solutions, and following up to ensure the issue is fully resolved. 

Effective issue resolution often requires coordinated efforts across various departments within an organization to provide a comprehensive solution that meets the customer's needs and expectations. 

Prioritizing quick and thorough issue resolution helps maintain a positive reputation and encourages long-term customer relationships.