Enterprise Session Border Controller Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Session Capacity (Up to 200, Up to 600, Up to 1000, Up to 5, 000, More Than 5, 000); Function (Security, Connectivity, Quality Of Service, Regulatory, Media Services, Revenue Optimization, Others); Organization Sizes (SMEs, Large Enterprises); Industry (Manufacturing, BFSI, Transportation, Healthcare, Media and Entertainment, IT and Telecommunication, Other) , and Geography (North America, Europe, Asia Pacific, and South and Central America)