The switchboard moves to the cloud. It is not what breaks.
What derails a migration is almost never the switchboard: it is the porting of the numbers and the analogue handsets nobody had listed.
Read the article on migrating a switchboard
B2B Telecoms — Telephony
Business telephony: your numbers follow you.
A hosted switchboard, reachable from a desk phone, a computer or a mobile. You keep your numbers. You lose the cabinet in the comms room.
- Your numbers kept
- Switchover prepared, with no day without a phone
- Arcep operator identifier: SKBS
The starting point
Telephony only becomes a subject the day it lets you down
Hardware that nobody maintains any more
The PBX in the plant room dates from before you arrived, and the company that installed it no longer exists. The smallest change requires a site visit.
Calls that get lost
Nobody knows how many calls ring out unanswered. And a customer who gets no answer does not call back: they call somewhere else.
As many contracts as addresses
Three branches, three operators, three renewal dates. Nobody knows what the telephony really costs.
What your calls travel on
Voice does not tolerate
Voice does not tolerate
approximation.
An email two seconds late bothers nobody; a conversation that breaks up is unusable. We do not subcontract the transport. Our services rely on ISO 27001 and HDS certified data centres located in France.
How it works
Two ways of making calls without a PABX
IP Centrex: the switchboard is at our end
The switchboard is hosted in a data centre rather than in your comms room. Your telephones connect to it over the internet: nothing left to maintain, and adding a handset becomes a setting.
The SIP trunk: you keep your switchboard
Your switchboard stays in place, connected to our network over the internet instead of copper. The right choice when the installation is recent, compatible and not yet written off.
How we decide: an old switchboard, or one incapable of speaking IP, and Centrex is more economical from the first year; a recent, compatible switchboard, and the SIP trunk extends its life. We decide on your actual hardware, not on a catalogue.
The number one worry
A number is not lost,
A number is not lost,
it gets ported.
Your number is on your cards, your vehicles and in your customers’ phones.
- Number portability is a right — changing operator never means having to change number.
- We put the file together from end to end, including direct dial number ranges.
- You approve the date before anything at all moves.
What we carry
- The company’s main number
- Your staff’s direct numbers
- The direct dial number ranges, which ring straight through to a desk
- The numbers of your secondary sites
200 +
projects delivered, from the telecoms link to the AI agent
100 %
of data hosted in France, with no offshore subcontracting
24/7
proactive monitoring of your links and your network
50 +
experts: telecoms and network engineers and technicians, developers
Day to day
What your switchboard can do
A reception that directs
Greeting message, menu options, hunt groups by department. The right person answers first time.
Call queues under control
Opening hours, public holidays, overflow to a mobile in the evening. No more endless ringing.
All sites connected
A single internal numbering plan, whatever the number of addresses. A transfer between branches becomes a two-digit call.
Figures at last
Calls received, missed, waiting time, distribution by hour. You see where it jams before the customer tells you.
Mobility
The office
The office
is no longer a place.
A branch, a building site, a train, home: the line follows the person. A single number presented from any device, simultaneous ringing on the desk phone and the mobile, transfer in mid-conversation — and the private number is never presented to your customers.
The hardware
Handsets delivered ready to plug in.
We deploy Yealink solutions. Every handset is prepared before it ships: the line, the name, the keys.
From the workshop phone to the reception phone with a colour screen. DECT cordless handsets, video-conferencing bars, Webex integration. Hands-on training on site.
The local network matters as much as the handset. An IP phone needs a port that powers it over the cable and a segmented network. We deploy Omada by TP-Link and handle the cabling in the same project. See Network & WiFi.
The technologies we deploy
IP CentrexSIP trunkNumber portabilityDDI
IP handsetsDECTMobile appVideo conferencing
Commissioning
On switchover day, nothing happens.
The review
We count the people to reach, not the offices.
Designing the welcome
Who rings, in what order, at what times.
The number portability file
They are the ones who set the date: they follow a regulatory notice period.
Preparing the handsets
Configured, named and tested before they arrive on site.
The switchover
We are on site, the numbers arrive, we train the teams.
The timeline
You are still
You are still
on copper?
The national commercial closure of the copper network took place on 31 January 2026, and the technical closures continue batch by batch until November 2030. Your alarms, lifts, door entry systems and payment terminals are affected just as much as your phones.
Your questions
What we are asked most often
Will I lose my telephone numbers?
No. Your numbers belong to you: we take them over through number portability, transferred to our network on an agreed date, without changing a single digit — the main number as well as the direct lines.
Do we need a new internet line in order to make calls?
Not necessarily: the hosted switchboard uses your existing connection, and we first check that it can carry the expected number of simultaneous calls. We recommend 4G or 5G backup: without it, a fibre cut also cuts the phones.
What happens if the internet is cut off?
With a link backed up by 4G or 5G, calls switch over to the mobile network. Without backup, incoming calls are diverted to designated mobiles or to an announcement, according to rules defined in advance.
Can we keep the handsets already installed?
It depends on the model: recent IP handsets can often be reused after reconfiguration, analogue ones and old PBXs cannot. We take the inventory before proposing anything at all — if equipment can be kept, we keep it.
How long does commissioning take?
A few days to configure the switchboard. It is the number porting that sets the real timetable: it follows a statutory notice period that cannot be shortened. A firm date as soon as the file is accepted.
And for a hotel, with rooms to equip?
In-room phones, automatic wake-up calls, room status, link with the front-desk software: a configuration we handle regularly.
We work with Accor and Logis Hôtels hotels. They trust us.
You will find the detail on the page for Hospitality.
Going further
Two reads before deciding.
The end of copper: it is not your phone, it is your lift.
The batch-by-batch timetable through to 2030, and the list of equipment that still speaks over the telephone line.
Read the article on the copper timeline
The free assessment
Describe your installation,
Describe your installation,
we will tell you what to do with it.
Number of handsets, number of sites, equipment in place: twenty minutes is enough. You leave with a clear status review, whether you work with us or not.