Global SIP Trunking Market Size, Share, and Growth & Trends Analysis By Organization Size (Small Businesses, Mid-sized Businesses, Large Enterprises) By End User (Verticals, Banking, Financial Services, and Insurance (BFSI), High-Tech, Government, Wholesale) By Region (North America, Asia Pacific, Europe, Middle East & Africa, South America): Regional Outlook, Growth Potential and Segments Forecast 2024-2031