Citel''s solutions fit into a broad range of industries, including local government, healthcare, retail, financial services, and more. And our breadth of products and services are designed to serve enterprises ranging from SMEs to complex multi-national e
A2ZTEL is a global leader in delivering high-quality international and domestic long distance calling services to subscribers at a fraction of the cost of traditional carriers by leveraging the power of the Internet.
A2ZTEL is a cost effective commun