The Telecoms IT Market Forecast Report: 2023–28 is a comprehensive analysis of the telecommunications IT sector, focusing on market share and revenue estimates for key vendors. The report outlines the challenges of estimating telco IT revenue, particularly for publicly listed companies where telco IT represents a small portion of their overall business. Amdocs is identified as the market leader with a 14% share in 2022, showing a slight increase from the previous year. The report also details the market share dynamics within the Business Support Systems (BSS) segment, highlighting Amdocs and Salesforce as key players. Additionally, it discusses the monetization market, with Amdocs and NEC/Netcracker leading in this area. The document includes a taxonomy of the telecom IT market, categorizing it into Business Support Systems, Customer Engagement, and Operations Support Systems, along with various subcategories. Methodology for the forecasts is based on industry interviews, analyst insights, and secondary research.