High quality fixed and mobile operators require a reliable and well-interconnected transit carrier to guarantee the best voice end-user experience, and this need is well covered by Turkcell Superonline’s combination of high quality services that focus on mobile customer satisfaction to build a strong and long-lasting relationship with its mobile customers. Therefore Turkcell Superonline wholesale voice portfolio always offers an absolute networking with the best quality.

By providing average NER > 95%; Turkcell Superonline voice service has a global coverage for roaming termination and perfect CLI transmission features. Turkcell Superonline launched its wholesale services in December 2004. Thus, while it started call origination and termination between Turkey and overseas countries, it became a transition point for niche destinations between different countries.

Turkcell Superonline is carrying over 2,8 billion minutes via 100+ international & national carrier connections.​ Turkcell Superonline is connected to all major European, Middle Eastern, American, African and Asian Carriers. In this way, with Turkcell Superonline voice services you can surely gain a perfect access to the powerful voice routes.

Turkcell Superonline is delivering the highest quality cross-border voice services to European and Middle East communication industry via IP alternative routes; it is one of the best transit carrier for world’s largest mobile and fixed operators. If you aim to talk to world, the only thing that you need to do is connecting to Turkcell Superonline that can easily guarantee the full CLI delivery to multiple destinations.