Cloud Telephony Services Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Deployment Mode (Cloud, Hosted); Enterprise Size (SMEs, Large Enterprises); Application (Conferencing, Multi-Level IVR, Sales And Marketing, Customer Relationship Management); Industry Vertical (IT And Telecom, BFSI, Government, Retail And Consumer Goods, Healthcare, Education, Others) , and Geography (North America, Europe, Asia Pacific, and South and Central America)