Never miss a vital call, and save money. Make and receive calls from your Servcorp telephone number from anywhere in the world. No international call charges or cellular global roaming charges.

# Requires a Servcorp subscription.

Onefone also works seamlessly with your Cisco office phone, and includes the ability to swap between two calls, merge calls, and perform attended transfers.

With multiple call support, you can quickly and easily handle incoming multiple calls, merge and split calls apart and place callers on hold with a simple tap to the user interface.

Other features:

* Have up to 10 Servcorp global numbers at once
* Contact list and contact favourites leveraging the device’s native contact directory
* Call history with a list of received, missed, and dialled calls
* Multiple call support – swap between two active calls, merge and split calls, transfer calls.

** Important: VOIP Over 3G/4G and public WIFI NOTICE
Some mobile network operators may prohibit or restrict the use of VOIP functionality over their network and may also impose an additional fee, or other charges in connection with VOIP.

Servcorp will not be held liable for any charges, fees or liability imposed by your carrier for use of VOIP over 3G or 4G

What’s New

Version 6.3.3

Fixed issues:
- a fix for startup failures affecting some users after upgrading to iOS 14
- changes needed for handling the Local Network permission on iOS 14
- a fix for an issue with Mute when the device is face down on slower or older devices

Ratings and Reviews

4.5 out of 5
32 Ratings

32 Ratings

Onefone user ,

Easy to use and works over 3G!

Very easy to use and works over both my 3G and wifi. Like that I can get a number anywhere around the world!

Ant69+ ,

Great product!

Truly amazing application that simply reduces costs and connects me globally.

App Privacy

The developer, ServCorp Pty Ltd, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

  • Siri

    Get things done within this app using just your voice.

More By This Developer

You May Also Like