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Voices and background ambience

Sayelo, the AI voice agent, offers expressive voices, each with its own personality, an adjustable speaking speed and the exact pronunciation of your business's name. Background ambience that suits your premises completes the greeting. You listen to them from setup onwards, then on your real calls during the 14-day trial.

On the phone, the voice is the first thing your customers hear from you. Here is what Sayelo offers: expressive voices, the exact pronunciation of your business's name and background ambience that suits your premises, to listen to from setup onwards, even before you start the trial.

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Sayelo offers expressive voices, each with its own personality, whose speaking speed you can adjust. You specify the exact pronunciation of your business's name, and you give the agent the background ambience of your premises. You can listen to the voices during setup, even before choosing a plan, then with the “Test call”, from your browser.

Expressive voices

Each voice has its own personality: some are calmer, others more upbeat. During setup, your agent lets you listen to the voices before you choose, and you can add background sound. You can then change it whenever you like, in “What it says” → “Voice”. Two settings complete the choice:

  • speaking speed, which you can adjust for a pace that suits your callers;
  • personality and instructions, which you can adjust at any time.

The voice matters, but so does responsiveness. The agent listens and speaks live: it replies instantly and stops talking when interrupted. It detects whether the caller has finished their sentence or is hesitating, and adjusts how long it stays silent. A caller who takes a long time to explain their problem is never cut off.

Your business's name, pronounced correctly

A name mangled in the very first sentence makes a bad impression. So you define the exact pronunciation of your company's name, as well as the variants to recognise when callers get it wrong. It is useful for a surname, a foreign name, an acronym or a pun: the agent says it the way you do, and understands the caller who says it differently.

The ambience of your premises

Your callers don't hear a robot in a void: they hear your reception. As well as the voice, you give the agent background ambience that fits your business. A quiet office, a practice or a workshop, for example: the background stays discreet, and it is optional.

A few pointers for choosing:

  • Stay consistent with the place. The workshop of a garage and the practice of an osteopath don't sound the same, and your customers know it.
  • Listen to it with the voice you've chosen. An upbeat voice and a quiet office ambience don't produce the same effect as a calm voice in the same setting.
  • Test it on a real phone. During the trial, call your agent from your mobile, outdoors, to hear what your customers will hear.

Listening before the trial

You don't have to take our word for it. Three ways to listen, with no commitment:

  1. Setup. Even before choosing a plan, your agent lets you listen to each voice, and you choose the one that suits you.
  2. The “Test call”. Once the agent has been created, you talk to it from your browser, in real conditions: its voice, its script and its ambience. No phone needed, nothing is recorded or billed, and each test lasts 5 minutes at most.
  3. The demo. On the demo page, a demo agent calls you back on your mobile and plays the receptionist for your trade, for a 3-minute call.

Once the voice and ambience are approved, the 14-day free trial lets you hear them on your real calls. The guide to the first days with a voice agent tells you when to take stock.

What doesn't change with the voice

  • The AI announcement. Whatever the voice, the agent announces that it is an artificial intelligence from the very first sentence.
  • The price. Choosing the voice is part of setting up your agent, from the trial onwards; it doesn't change your plan. What makes the price vary is detailed on the pricing page.
  • The agent's role. It works as back-up for your teams, never in their place: the voice is that of your reception when nobody is available to pick up.

Changing voice or ambience later

Voice, personality, instructions and opening hours can be changed whenever you like, on screen or by asking your agent, in the app or on WhatsApp. On WhatsApp, it can even send you an audio clip of a voice or an ambience before you change. If your customers find the agent too fast, reduce the speaking speed; if the ambience makes it harder to understand, try another one. To find out which voice suits your trade and which signs should prompt you to change, read the guide to choosing your voice agent's voice.

Further reading

Guides on this topic.

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Choosing your AI voice agent's voice

The voice is the first thing your callers hear, even before your business's name. It isn't chosen on taste: it is chosen according to your trade and your customers, then listened to in real conditions. Here is how to choose the tone, what to listen for during the “Test call” and during the trial, and when to change it.

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The first 14 days with an AI voice agent

A successful trial isn't just a matter of plugging in the agent and waiting. It takes preparation: a few settings on day one, test calls, then a careful read of the summaries to correct whatever needs correcting. Here is the checklist, step by step, up to the decision.

All guides → · Frequently asked questions →

Frequently asked questions

In plain terms.

Can I change voice once the agent is up and running?

Yes. The agent's voice, personality and instructions can be changed whenever you like, as can its opening hours. You can also simply ask your agent in a message. To hear a voice before changing, ask it on WhatsApp for an audio clip; after the change, a “Test call” lets you hear it with your script and your ambience.

Does a natural-sounding voice mean the AI no longer has to be announced?

No. Whatever voice you choose, the agent announces that it is an artificial intelligence from the very first sentence of every call. This announcement is mandatory and cannot be switched off. A pleasant voice makes the conversation smoother; it is not there to pass the agent off as a human.

Hear the agent answer
calls in your trade.

Three minutes, free, no card needed: the agent calls you and plays the switchboard for your type of business. Then a 14-day trial on your own number.