Cloud PBX vs SIP Trunking Explained
Cloud PBX vs SIP trunking explained simply. Compare costs, control, hardware and scalability to choose the right business phone setup.
Improving ourselves since 1996.
VO is engaged in an ambitious transformation to bring the customer experience to the next level.


A driving local force in the Luxembourg telecommunications market, and a proud part of the Post Luxembourg Group.

If you do as much as we do, you always have something to tell. And if you want to do a lot, you also need a reliable and well-coordinated team.

So that everyone always knows what is expected of them, but also what they can expect: The most important documents about us and our products.
Cloud PBX vs SIP trunking explained simply. Compare costs, control, hardware and scalability to choose the right business phone setup.
Business SIP trunking guide for firms that need flexible calling, lower costs and reliable telephony. Learn setup, sizing and key trade-offs.
Why is my WiFi unstable? Learn the most common causes of dropouts, slowdowns and weak signals - plus practical fixes that actually help.
Come and discover our brand new television product VOtv at the B.D. Festival in Contern on 16 and 17 July 2022 in a lively setting and benefit from a personal presentation of VOtv by our staff.
Visual Online SA is proud to launch a new company logo as part of the ongoing evolution of our company’s brand to support it's ambition to remain one of the most renowned internet service providers in the Grand Duchy of Luxembourg.
Currently, we all hear about the increase of infections. Of course the number of people, who are supposed to work at home, will also increase.