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

Two ways to build an AI voicebot: stitching versus realtime
The way a voicebot processes speech determines whether it sounds natural or sluggish and stilted. Stitching stacks three separate components on top of each other, whilst a realtime speech model handles the entire conversation in one go. For most business call flows, realtime delivers the best result, though stitching remains valuable for post-call analysis.

Why a dedicated IVR server or private API works faster than building on Twilio
Twilio is the obvious starting point for a call routing or voice application, but the shared American cloud falls short for many European businesses on log retention, data residency and support costs. This blog explains why a dedicated IVR server or private API from CallFactory solves those three constraints structurally, and when Twilio remains the right choice.

AI Receptionist: 24/7 Availability Without Extra Staff Costs
A smart telephone assistant that takes calls, books appointments, and qualifies leads in fluent English, 24 hours a day, without the cost of extra staff.
