Carrier Data Services are hugely important in an increasingly interconnected, data-driven world. They are the key building blocks for deployment of local, regional or global interconnected data networks. Whether you are a telecom service provider acting in a retail capacity needing to access remote branch offices, a cloud service provider needing to deliver secure business-class cloud-based applications to businesses, or a mobile network operator needing to backhaul mobile traffic, Swisscom’s Carrier Data Services offers carrier-grade delivery of managed Layer 2 (CES) and Layer 1 (CLS) services to meet your business needs.

Our Carrier Data Services footprint reaches +10’000 installed services over 100 customers across Switzerland, making it a success story. This extensive footprint allows Swisscom to fully understand the evolving business needs and continuously invest to improve our services and processes, ensuring delivery of best-in-class products and solutions.

Swisscom Carrier Data Services enables the purchase of bandwidth, interface and quality of service appropriate for any given business application. All across Switzerland, Swisscom Carrier Data Services can support your data needs.

Carrier Ethernet Service

The re-launched Carrier Ethernet Service (CES 3.0) is our managed Layer 2 service for cost-effective and flexible Ethernet connections, supporting the latest MEF CE 2.0 certification with scalable bandwidths up to 10 Gbit/s, best-in-class quality-of-service and the best on-net coverage in Switzerland.


Carrier Line Service

Carrier Line Service (CLS) is our managed Layer 1 service for dedicated and high quality point-to-point data transmissions, supporting scalable high-capacity bandwidth up to 100 Gbit/s and reliable connectivity based on our highly redundant SDH and WDM platforms.



Regulated Leased Lines (MLF) comprise our regulated Carrier Ethernet Service (CES-FMG) and Carrier Line Service (CLS-FMG) for point-to-point data transmissions with limited coverage across Switzerland.