According to Technavio’s analysts, the Session Initiation Protocol (SIP) Trunking market is expected to grow at a compound annual growth rate of 18.23% by 2021. SIP Trunking is an Internet-based service that allows businesses to extend VoIP (Voice over Internet Protocol) telephony beyond the organization’s firewall without the need for an IP-PSTN gateway. It allows VoIP users to stay connected in local and long-distance calls to and from endpoints in the traditional phone network. The report ‘Global Session Initiation Protocol Trunking Market 2017-2021’, was based on detailed and reliable data gathered from an extensive research and an in-depth market analysis with inputs from industry experts. It provides a complete market and vendor landscape as well as a SWOT analysis of the key vendors and major factors that influence the market such as drivers, opportunities, and challenges. Session Initiation Protocol Trunking Market Driver: – The increasing adoption of cloud-based solutions is…