The term 'Call in the Waiting Room' is a job description for someone who is responsible for managing the waiting room of a business. This person would be responsible for greeting customers, answering phone calls, and providing general customer service. The crossword solutions for this term are NEXT, which stands for 'Notifying Everyone to Expect a Wait'. This means that the person in charge of the waiting room would be responsible for informing customers of any wait times they may experience.