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Instantly Add a Business Line

Install Tresta on your smartphone and turn any phone into a business phone.

What Can You Do with Tresta?

Tresta’s easy to use web and mobile apps let you use your business phone number on any device and give you the tools you need to manage calls.

Make and receive unlimited calls from your Tresta phone number.

Show your Tresta number as your caller ID so your personal number stays private.

Sync your existing contacts with Tresta to make the transition easy and hassle-free.

iPhone Android calling

Send and receive unlimited text messages on your business number.

Send and receive photos and videos.

Take advantage of texting on your toll-free phone numbers too.

iPhone Android texting

Welcome and direct callers with a professional sounding custom greeting.

Route calls based on the day of week and time of day with schedules.

Get callers to the right place with IVR menus in auto attendants.

Deliver calls to departments, individuals or voicemail boxes.

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Easy, Instant Setup


Pick a Phone Number

Select a local or toll-free phone number, or port in your current one. New numbers are ready instantly!

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Configure Call Routing

Tell us what you want your phone number to do when it receives a call – Tresta’s setup wizard makes it easy.

Macbook call routing

Download the App

Download the mobile app for iOS or Android and turn your smartphone into a business phone.

iPhone Android download the app

Start Calling & Texting

You’re ready to start calling and texting on your new business phone number!

iPhone incoming call feature

Try Tresta Free
for 30 Days

No contract.
No hardware.
Unlimited usage.

30 Day Free Trial

Packed with Features

With a business phone number from Tresta, you get the freedom to use your number on any device, unlimited calling and texting and nearly 20 powerful call management features – all for one low monthly price.

See All Features

Loved by Customers

At Tresta, you’re our passion. We’re constantly striving to make our business phone system even better, because nothing makes us happier than seeing you happy.