Company History SIJ Communication Pte Ltd was established in 2013 as a direct subsidiary business concern of L2B Communication Ltd (est. 2007). In order to expand its business horizon L2B communication initiated the creation of its global concern SIJ Communication Pte Ltd. What we do SIJ Communication Pte Ltd provides telecommunication service provider, VoIP telephony, and international voice wholesale, hosted solution provider for various soft switch and Data center.