The Asia-Pacific UCaaS market is expected to grow from USD 516.2 Million in 2015 to USD 1051.3 Million in 2021, at an estimated CAGR of 12.6%. Telephony services is the most widely adopted segment in UCaaS while hosted cloud unified communications is the least adopted yet remains an important segment for service providers, presenting robust growth prospects. This whitepaper examines the strengths and weaknesses of each major provider and compares their industry positions.