U.S. Telecom Expense Management Market Size, Share, Competitive Landscape and Trend Analysis Report, by Type (Dispute Management, Invoice Management, Ordering and Provisioning Management, Sourcing Management, Usage Management, Others), by Deployment Mode (On-premise, Cloud), by Enterprise Size (Large Enterprise, Small and Medium-sized Enterprise), by End User (BFSI, Consumer Goods and Retail, IT and Telecom, Healthcare, Manufacturing and Automotive, Others): Opportunity Analysis and Industry Forecast, 2022-2032