Sangoma Technologies Corporation operates through several key domestic and international corporate subsidiaries that support its global communication hardware, software, and cloud service ecosystems. Notable subsidiaries built or integrated through strategic acquisitions over the years include Digium, Inc. (famous for Asterisk open-source telephony and Switchvox), StarBlue Inc., Sangoma U.S. Inc., VoIP Supply, LLC, and various regional operational entities spanning Europe, Latin America, and the Asia-Pacific region designed to streamline localized tax compliance, engineering delivery, and customer account management.