SIGMA messaging is an omnichannel messaging platform that offers free automated solution for Bulk SMS, Viber, WhatsApp, FlashCall services and assures rapid delivery. SIGMA messaging is a customer omni-channel messaging platform that allows enterprises to connect, serve and support their clientele. We are a Russian-based company which was founded in 2010. Over the past years we have grown to one of the leading experts in A2P technologies in Russia and CIS, rapidly expanding into global market. SIGMA messaging enables its customers and partners to reach, engage and manage an integrated and multi-channel notification services such as markting and service instant messages, Viber, WhatsApp, Voice messaging and FlashCall. More than 3000 enterprises in Russia and abroad take advantage out of our technological solutions.