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Vonage Extensions®

Take advantage of your Vonage calling plan when you are on the go.

Vonage Extensions® is our FREE mobile app exclusively for Vonage customers

  • Answer calls anywhere - calls to your home phone number ring on your mobile at no extra charge.
  • Choose the number you call from - choose to show your home number or your mobile number when you call out.
  • Unlimited calling - Vonage call plans from £8.50/month, make unlimited calls to over 60 countries from £12.50/month.
  • Wi-Fi calling - make and receive calls wherever you have a 3G, 4G or Wi-Fi connection, whether at home or abroad.
  • Connect with friends & family abroad - take advantage of the Vonage boomerang feature to allow loved ones to call you and charge to your Vonage call-plan.

See our call plans

Unlimited* calling from just £8.50/month

Vonage® boomerang™

The end of international "call me back" calls - keep in touch more easily.

Extensions® FAQ

All your questions about Vonage Extensions® answered.

Tutorial Video

No matter where you are, have calls to your landline number ring on your mobile at no extra charge. Calls made from the app will display your landline number.

Our FREE mobile app - Vonage Extensions®
Vonage Extensions lets you share your Vonage call plan with up to two smartphones, so you can make calls on your smartphone at no extra charge. Simply download the FREE Vonage Extensions app to your smartphone and enjoy unlimited calling on your mobile. Calls included in your call plan can be made from your smartphone. So you can make unlimited and inclusive international calls to up to 68 countries from your smartphone.
See Tutorial Page

Case Study

Find out how easy Rural Broadband provider B4RN found Vonage to install.

B4RN - Business Case Study
Chris Conder MBE, co-founder of B4RN (Broadband for the Rural North Ltd) praises the simplicity of Vonage.
See Case Study
Current Promotion

2 Free Phones on selected Phone Line plans

Join Vonage and receive FREE Gigaset Cordless Phones on selected Phone Line plans. Limited availability, while stocks last!