sentences:  Timer scheduling and forced-scheduling systems can cause a “stall” or “chase” condition to occur in the queue, reducing call center efficiency.The best bet for improving both customer satisfaction and contact center operations is to implement a comprehensive queue management solution that includes both First In, First Out and scheduled callbacks and focuses on the customer experience while improving the contact center's performance.A good virtual queuing solution will integrate with a call center’s existing technologies, such as CTI, workforce management and skill-based routing, to maximize the benefits of all systems, making it an integral part of a comprehensive queue management strategy.