• Make calls from your Vonage home number on your smartphones
  • Calls to your home phone ring on up to two smartphones at the same time – answer whichever one is more convenient
  • Save with your Vonage calling plan wherever you are – unlimited* international calling to 60+ countries with some plans.
  • Wi-Fi calling – save cell minutes, avoid roaming charges when abroad and to reach people when there’s poor cell coverage
  • Know who is calling you at home, the app will use your contact book to tell you who is calling.
  • Uses your contact book for easy, one touch dialing
  • Do Not Disturb – Easily turn on and off calls to the app
  • Keep your mobile number private – Caller ID will show your Vonage number.
  • Coming Soon – Choose which number to display as your Caller ID – Home or Mobile
  • Standard data rates apply

Set Up

  • Download Vonage Extensions and register your number right from the app.


Available on the App Store Get it on Google Play
Standard data rates apply.

The Vonage® Extensions® App

Take your home phone anywhere you use your smartphone
Take advantage of your Vonage calling plan by making calls with the app on your smartphones. Plus, you can answer calls made to your Vonage phone number from almost anywhere using Wi-Fi or 3G/4G*.
*Standard data rates apply.

Two convenient ways to set up your smartphone

  • Download the Vonage Extensions app and register your smartphone number right from the app.
  • Register your smartphone number from your online account. Just sign in, go to the Extensions section on the Features


Need help with your Extensions®?
Visit our Support Section.

Supercharge Your Plan

Add a Line

Whether you need more lines for your business or for your teenagers, you can get as many Vonage phone lines as you want.
Learn more

Virtual Number

Have friends, family or even customers living far away? Get a Vonage Virtual Number with their area code, and they can call you for the price of a local call.
Learn more

Fax Line

Vonage allows you to send or receive faxes from home without tying up your phone line.
Learn more

Don't forget about the incredible included features:

Other Great features

Call Waiting
Caller ID Block
Call Transfer
3-Way Calling
Vonage Online Account
Number for Life/Moving with Vonage
In Network Calling
International & Directory Assistance Block
Ring Lists
Call Hunt
Call Return
Do Not Disturb
Repeat Dialing
Bandwidth Saver®
Network Availability Number®
Special Services Number
Vonage Access Number
Anonymous Call Block