Articles
Read the latest stories, use cases and updates to make optimal use of your business number.

Interactive Voice Response: the complete guide for business
Interactive Voice Response is the automated system that answers an inbound business call, offers the caller a menu and routes them to the right team, queue or mailbox. This guide covers how the technology works on a live call, which routing patterns businesses rely on, what separates a dependable IVR from a cheap one, and how to design a menu that callers actually get through.

WhatsApp introduces usernames: what changes for your business?
WhatsApp now lets users choose a username instead of a phone number. We outline exactly what's changing, what it means for your business's customer contact via WhatsApp Business, and why a fixed business number still holds value alongside it.

Telephone answering service: what it does and what it costs
A telephone answering service answers inbound calls to your business number when your own team can't get to the phone, so enquiries turn into bookings and leads instead of missed calls and voicemail. This article covers the three types of service on the market, what each one costs, the signs a business has outgrown ad hoc call cover, and what to check before committing to a provider.

Czech Phone Number for Business: A Local Presence in the Czech Republic
A local +420 number gives a UK company a credible Czech presence and stronger inbound enquiries. This article explains how Czech numbering works under the ČTÚ — a toll-free 800 number registers on a worldwide address, whilst a geographic number such as a Prague 2 line requires the end user's location in that zone — and how CallFactory, as the licensed operator, files and routes the number for you.

Polish Phone Number for Business: A Local Presence in Poland
A local +48 number gives a UK company a credible Polish presence and stronger inbound enquiries. This article explains how Polish numbering works under UKE — a toll-free 800 number registers on a worldwide address, whilst a geographic number such as Warsaw 22 requires a verifiable Polish address in that area — and how CallFactory, registered with UKE, files and routes the number for you.

Virtual receptionist: professional call answering without a front desk
A virtual receptionist answers your inbound business calls, greets callers in your company name and routes each conversation to the right person, without a staffed front desk. This article explains what the service covers, how the human answering-service model compares with an AI receptionist, what both cost against hiring reception staff, and how to connect one to the business number your customers already dial.
