The core activity of Infra voice AG is to provide services and products related to telephony, particularly for service providers and companies. This includes the operation of telephony infrastructure, ongoing operation and service of telephony solutions, as well as the introduction and migration of telephony systems. Specifically, this encompasses: operation and service of telephony infrastructure, introduction, migration and operation of telephony solutions, provision of fax solutions, offering of virtual telephone exchanges (Virtual PBX), support for operation and support, trace and security analyses, emergency handling and infrastructure services, and wholesale interconnections. Overall, the company focuses on providing telephony services and solutions for business customers.