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An ecosystem that makes communication simple and enjoyable


To communicate quickly, spontaneously and without asking yourself any questions, you need reliable and intuitive tools.

Because your daily work is your activity: focus on your business.
Sewan takes care of your communications.


Thanks to hosted telephony solutions adapted to the needs of companies of all sizes, thanks to Trunk solutions compatible with all equipment on the market and of course thanks to a mobile offer that boosts productivity. Our turnkey, automated and integrated solutions promote flexibility: you manage them at your convenience.
You can customize all of your options in real time by accessing your cloud platform which brings together all the services offered by Sewan.

Sewan helps you simplify your daily life and work more efficiently, like we've already done for our 500,000 users.

Because the only good way to communicate is to do it simply.

Are you familiar with this service?
For more details:
Data sheet
key figures Sewan: more than 90,000 mobile lines
Reliable and high-performance solutions that will give another dimension to your communications.
Direct access
Mobile telephony
Enjoy the best national coverage.
Direct access
Contact Experience
Give meaning to customer experience.
Direct access
Unified Communications
Communicate wherever you are, whenever you want, at your convenience, thanks to the most effective communication solutions on the market.
Direct access
our two other product groups:

Expert talk

David Brette
Associate Director

At the dawn of the end of PSTN (traditional telephony) in France and Europe, IP telephony does not represent the future, but the present. This solution, which is already accessible to everyone, has become the most reliable technology for providing high-performance business telephony services.
Thanks to the most complete catalogue in the market, Sewan offer you a range of hosted telephony solutions adapted to your needs and those of your customers.
Scalable, quick to deploy and requiring no special maintenance, IP telephony meets the needs of companies of all sizes: from multinationals to small local businesses.

Any questions? Contact us