Founded in 1998 as Luxembourg's first alternative to the POST incumbent, Cegecom operates its own 1,500+ km fibre network across the Greater Region. In 2025 it became the first Luxembourg operator certified for Microsoft Teams Operator Connect.
⏱ 6 min read · 🇱🇺 Local provider · 📅 Updated April 2026 · 🔗 cegecom.lu
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Cegecom SA was founded in 1998 as the first company to compete with POST on voice services in Luxembourg. Today it is part of the Artelis Group, majority-owned by VSE AG, a German utility and telecom group based in Saarbrücken.
The company operates its own fibre optic network spanning more than 1,500 km across Luxembourg, Germany, France, and Belgium. This network independence sets Cegecom apart from operators that lease infrastructure from the national incumbent.
In 2025 and 2026, Cegecom became the first Luxembourg operator certified for Microsoft Teams Operator Connect, in partnership with Microsoft and AudioCodes. It serves B2B customers only, not residential or retail.
Three distinct telephony products plus connectivity services, all targeting the mid-market and enterprise B2B segment.
A dedicated platform for medium and large businesses, supporting up to 1,500 extensions. Deployment follows three phases: audit, parallel installation, coordinated switchover. Requires Cisco QoS-enabled switches at customer premises.
Runs on shared infrastructure, aimed at smaller businesses. Supports smartphones (Android and iOS), WiFi phones, and existing desk phones. No upfront hardware investment. Migration is fully managed by Cegecom.
Connects Microsoft Teams directly to the Luxembourg phone network. No additional hardware required. Cegecom was the first Luxembourg operator certified for this service.