MARYLAND HEIGHTS, Mo.--(BUSINESS WIRE)--SoTel Systems, LLC (SoTel), a leading telecom and data VAD (Value Add Distributor) and domestic VoIP service provider, announces expansion into the Latin American region through the acquisition of the international business operations of Teleswitch in Miami, FL. The new division of SoTel will operate as Teleswitch International (www.teleswitchinternational.com). Service providers, resellers and integrators throughout Latin America can now buy OEM new dist