Symphony Communication Public Company Limited provides telecommunication network and services in Thailand, the Southeast Asian countries, and internationally. The company offers network connectivity services, including private network for branches solution, access network for service provider, and DC/DR connectivity; and Internet services, such as direct Internet, virtual firewall, DDoS protection, SME broadband internet, internet exchange, and cloud direct connect services. It also provides international network connectivity services comprising international private leased circuit services, IP-virtual private network, E-line/IEPL, and submarine cable systems; and cloud services. The company was incorporated in 2005 and is headquartered in Bangkok, Thailand.