MCK is a voice and data networking company that specializes in integrated communication solutions with an emphasis on cloud-based technologies. The company became part of the Citel Group in 2005, combining expertise across communications and networking technologies. MCK develops network-edge products designed to integrate voice and data systems for various applications including branch offices, call centers, and retail locations. The company's portfolio extends the features and functionality of central PBX systems to diverse environments while providing data networking capabilities. Operating across North America and Europe, MCK serves clients with unified communication and networking solutions that address business connectivity needs. In recent years, MCK has integrated cybersecurity measures into its voice and data solutions to protect communication streams and data assets. The company has also incorporated artificial intelligence capabilities into its systems, developing adaptive solutions that can evolve to meet specific voice and data networking requirements. These AI and cybersecurity integrations represent the company's approach to providing secure and intelligent communication infrastructure for business environments.