Customers and Testimonials

Carrier Call AG


Our reference customers include leading European telecommunication corporations and groups. They have been relying on our XCarrier platform and our reliable professional services for years.
Reference customers inlcude Vodafone DE, Vodafone UK, Vodafone Kabel Deutschland, Vodafone Unitymedia, 1&1 Versatel, Sunrise UPC and Colt Technology Services.