Add unlimited SIP users to your phone system at no extra cost.

With Telzio, you don't have to worry about additional costs as you add users. Enable your people to connect to all their devices with one simple login.

With Telzio’s license-free model, all users and extensions are included with your service. This means you can add as many extensions as you need to your phone system, and each of those extensions can be logged into multiple different devices at the same time, at no extra cost.

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What can I do with User Extensions?

  • Log into the mobile app, IP phones, and softphones with a single login.

  • Make and receive calls on your Telzio extension from any location.

  • Dramatically reduce costs by eliminating individual user fees.

Using the same extension on multiple different devices is useful for employees who use both a desk phone and their cell phone, and want to have all calls and messages on both devices synced. Being logged into 

multiple devices also allows calls to find you, whether you’re at your desk, or on the road.

Frequently Asked Questions

Business Phone System Features Overview

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