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On-call phone routing software Your rota changes. Calls follow.

1shift is software for organising your team’s on-call rota, connected to a phone service that follows it. When the shift changes, the person scheduled is the one who gets reached, on their usual phone — with no forwarding to reprogram.

Request a demo How it works

Today, someone has to remember the forwarding. With 1shift, the rota takes care of it.

Alice is on call. The call rings on her phone.

Simon has taken that slot on. No forwarding to reprogram.

Alice does not answer. The call moves to Julie, then to the action you chose.

Illustrated example using demonstration data.

What you get out of it

One rota to keep up to date. The rest follows.

Calls follow the rota, as you have just seen. So do everyone’s calendar and the history: nobody has anything to copy over.

A rota the whole team fills in.

You describe your on-call periods: the day, the night, the whole weekend. Everyone takes their slots from their phone, and a slot that is still empty shows up before it becomes a problem.

See how to prepare the rota
Rota · IT on-call

Thursday 24 September

Night · ends at 07:00

07:00 12:30 Morning
On-call engineer 1/1 Claire Dupont
12:30 19:00 Afternoon
On-call engineer 1/1 Alice Martin
19:00 07:00 Fri Night
On-call engineer 0/1 + Add
Everyone takes their slots; Thursday night, still empty, stands out straight away. App preview with demonstration data.

Never forget an on-call shift again.

Everyone connects their usual calendar once — iPhone, Android, Outlook. Their shifts appear next to their appointments, and the calendar syncs itself after every change: a sign-up, a replacement, a changed time.

See the calendar sync
Alice’s calendar
September 2026 1shift subscription

Thu 24

  • 09:30 Dentist
  • 12:30 → 19:00 IT on-call — On-call engineer

Sat 26

  • 07:00 → 14:00 IT on-call — On-call engineer
  • 15:00 Léa’s birthday

Mon 28

  • 18:30 Parents’ evening
  • 19:00 → 07:00 IT on-call — On-call engineer

1shift shifts Personal calendar

Shifts land in the calendar everyone already uses, next to their appointments. App preview with demonstration data.

Find out who was on call, and which calls came in.

The next day you know who was on call at the time of the call, replacements included, and which calls came in: answered or not.

Find a past shift
Calls · IT on-call

Sunday 20 September

  • Vanden Broeck PrintingAlice Martin · 2:15 08:41

Saturday 19 September

  • Verhoeven NotariesVoicemail · 1:09 22:03
  • Verhoeven NotariesMissed · 0:30 21:47
  • Garage RenardSimon Dubois · 6:14 15:05
Every call received, with who answered, the missed calls and the voicemails. App preview with demonstration data.

Call forwarding follows a setting. 1shift follows your rota.

Four everyday situations, with forwarding programmed by hand, then with 1shift.

Compare

  1. Monday 8 am, the shift passes from Alice to Karim.

    Someone has to remember to change the forwarding.

    At 8 am, calls ring on Karim’s phone. Nobody touched a thing.

  2. Simon covers for Alice on Saturday, 2 pm to 6 pm.

    The line keeps ringing at Alice’s until someone reprograms it.

    As soon as Simon accepts, calls from 2 pm to 6 pm ring on his phone.

  3. Alice does not pick up, her voicemail kicks in.

    The call ends on her personal voicemail.

    With keypress confirmation, the voicemail does not take the call: it moves on to the planned backup.

  4. Nobody has signed up for Friday night.

    You find out when the phone rings and nobody answers.

    The empty slot shows up in advance, and qualified colleagues can be alerted.

Who it is for

Anywhere a number has to ring at whoever is on call.

One rota, one number. That is all you have to keep up to date.

Maintenance and repairs

Lifts, heating, automatic doors, alarms. The 24/7 number in your contracts, covered by your technicians in turn.

See this use case

IT teams

Straightforward on-call cover for a technical team, without an incident management platform. The line follows the rotation and the replacements.

See this use case

Industry and utilities, medicine, sites and roadworks, legal duty lines: the same principle applies.

Getting started

With a number we provide, or connected to your switchboard.

We can provide your on-call number or connect your existing system. We create your organisation and help you prepare your first rota.

See how to get started →

Where 1shift comes from

An idea born alongside on-call teams.

In 2016, Samuel Lorette built a first tool to organise on-call rotas for IT teams in France and Belgium. That tool is still in use today.

1shift is a new product, shaped by what those years taught: last-minute changes, handovers between colleagues, and the need to know who really receives the calls. That is why partial replacement and shift history sit at the heart of the product, rather than being options.

In the older tool, cover periods were fixed: changing them required a developer. You now define them yourself.

Software published in Belgium by Samplay SRL.

Let’s see how to simplify your on-call service.

In thirty minutes, we start from your current rota and your current line, and show you what that would look like in 1shift.

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