Vonage® Extensions®

Get the same unlimited¹ calling you enjoy at home from your mobile phone.
INCLUDED - No extra charge!


  • Make high-quality calls over Wi-Fi in areas with poor cellular coverage.
  • Avoid roaming fees by calling over Wi-Fi when traveling abroad.
  • Save your cellular minutes by calling over Wi-Fi or 3G/4G.
  • One-touch dialing from within the app, using your address book.
  • NEW Access your account right from the app to check your Vonage voicemail and set up call forwarding.

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

With our latest Extensions app, you can now make calls via the Vonage network over Wi-Fi or 3G/4G. You'll get even
more value out of your Vonage home calling plan with the new Wi-Fi calling capabilities of our app. Download it today!

To Set Up An Extension
On All Other Mobile Phones:

  • Sign in to your online account.
  • Go to the Extensions section within the Features
    page and register your new Vonage Extension.


Add Another
Extension For

$499/month plus taxes

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