Global Enterprise Session Border Controller Market, By 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 and Revenue Optimization), Enterprise Level (Small, Medium and Large), Vertical (Manufacturing, BFSI, Transportation, Healthcare, Media and entertainment, IT and telecommunication, and others) – Industry Trends and Forecast to 2029.