Glossary
Virtual phone answering service
A virtual phone answering service means that a business has its calls answered outside its own office, by the staff of a service provider or by software.
On this page
The term is older than today’s voice AI. For a long time it stood for office and secretarial services in which employees of a provider pick up the phone in the name of the business. Billing there is usually per call or per minute, and availability depends on the service hours.
Today the term is also used for AI phone assistants. The difference lies in how they work: software is available around the clock and holds several conversations at once, but it can only work with the knowledge and rules that have been stored. People can decide freely but are tied to working hours. Anyone assessing an offer should therefore first clarify who or what actually picks up.
In practice
With an answering service you supply a call script, your availability and the way you want to be notified; the staff answer in your company name and send you a call note. With software you set up knowledge, rules and transfers instead. Either way your number is forwarded, permanently or only when you do not pick up. Compare offers on the basis of your real call volume: how many calls a month, how long, at what times of day. Only then can a price per call, a price per minute and a package price be set side by side.
An example
A self-employed interior designer spends three days a week at clients’ homes. Until now an answering service took her calls on weekdays until 6 pm and emailed her the notes. Because many enquiries arrive in the evening and on Saturdays, she looks at a software solution. What decides it for her is not the technology but what a prospect experiences on a Saturday: whether someone takes the enquiry, offers a slot for a first conversation, and whether a complete note is waiting on Monday.
A common misunderstanding
The word “virtual” says nothing about whether a person or a piece of software picks up. Some offers combine both, some use the term for a call centre, others for pure AI. Comparing by the label alone may mean comparing entirely different services. So ask specifically: who answers the call, during which hours, how many calls at the same time, and what exactly is in the note you receive afterwards?
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As of: 12 October 2026