Glossary
Voicebot and IVR
An IVR guides callers through a fixed menu using keys or keywords, whereas a voicebot understands freely spoken sentences and responds to them.
On this page
IVR stands for interactive voice response. Most people know it as the announcement “Press 1 for sales”. The paths are laid down in advance; anyone who does not fit the menu ends up on hold or with the wrong team. IVR systems are robust and inexpensive, but rigid.
A voicebot works with speech recognition and a language model. Callers say in their own words what they need, and the bot asks follow-up questions. Older voicebots only recognised requests that had been defined beforehand; current systems based on large language models hold more open conversations. The two approaches can be combined: a short menu separates the languages, then the voicebot takes over. When choosing, the name matters less than the question of how the system copes with unexpected sentences.
In practice
Many phone systems already have a menu. Before you replace it, look at its statistics: which key is pressed most often, where do callers hang up, and how many end up with the wrong team despite the menu? A voicebot can then be introduced step by step, for example first behind the menu option with the most routine questions. Both approaches need a way out: a means of reaching a person at any point, or at least of leaving a callback request.
An example
A car dealership has a menu with four options: sales, workshop, parts, accounts. A customer wants to know whether his car is ready after its service. He presses 2, waits and reaches a service advisor who is busy with another customer. With a voicebot he simply says what he wants. The bot asks for the registration number, classifies the call as a status question for the workshop and passes it on to the service team with all the details.
A common misunderstanding
A voicebot is not the right answer in every case. With two clearly separate reasons for calling, a short menu is often quicker than a conversation. The opposite mistake is more common: rebuilding an old menu one to one as a voicebot. If callers still have to say whether they mean “sales” or “service”, nothing has been gained. The benefit only appears when callers may describe their request the way they would tell it to a person.
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As of: 12 October 2026