Queue Management System Market By Offering (Solution, Service), By Deployment Model (On-Premise, Cloud), By Mode (Virtual Queuing, Non-Virtual Queuing), By Queue Type (Structured Queue, Unstructured Queue, Kiosk Queue, Mobile Queue), By Enterprise Size (Large Enterprises, SMEs), By Application (Reporting and Analytics, Real-Time Monitoring, Appointment Management, Customer Service, Query Handling, In-Store Management, Others), By Industry Vertical (BFSI, Retail & Consumer Goods, Healthcare & Life Sciences, Government & Public Sector, IT &Telecom, Travel & Hospitality, Energy & Utilities, Others): Global Opportunity Analysis and Industry Forecast, 2021-2031