United Kingdom OSS BSS Market Size, Share & Trends Analysis Report By Component (Solution, Services), By Deployment Model (On-Premise, Cloud), By OSS Solution Types (Network Planning and Design, Service Delivery, Service Fulfillment, Service Assurance, Customer and Product Management, Billing and Revenue Management, Network Performance Management, Others), By Enterprise Size (Small and Medium-Sized Enterprises, Large Enterprises), By Industry Vertical (IT and Telecom Enterprises, BFSI, Media and Entertainment, Retail and E-Commerce, Others) and Forecasts, 2025-2033