Official user guideA complete, screen-by-screen walkthrough of setting up and using OPTIVEST SmartBell — from registration to answering visitor calls.
Download the full PDF guideDocument version v1.0.20260730.1606
SmartBell turns any door into a smart, QR-powered doorbell — no hardware and no app for your visitors.

From the home screen tap “Start here”, then choose “Sign up” at the bottom of the form.

We email you a 6-digit verification code right after you sign up.
Returning users tap “Sign in” from the home screen.

SmartBell is a subscription service; new members may receive a trial period.
Your home base after signing in, with at-a-glance statistics and visitor logs.
Open Properties to manage your locations and their QR doorbells.
Share a property’s doorbell with the people you live or work with.
Keep your details current and manage your password.
When a visitor rings, SmartBell alerts you in real time and plays your ringtone.
What your visitors see after scanning your QR code.
Install SmartBell like a native app for the best experience and reliable alerts.
Administrators get an extra Subscriptions screen to approve and manage members.