The Horizon Mobile App allows users to make, receive and transfer calls using their Horizon IP Telephone service from your mobile device, ideal for people who work remotely or different locations, where it is not practical to install a handset.

The Horizon Mobile App also provides presence instant messaging between users


  1. Visit your app store and search Horizon Smartphone App (Gamma) horizon-app
  2. Accept license
  3. Allow notifications
  4. Insert your Horizon User name – this was provided for you when your account was set up- ask you administrator if in doubt.
  5. Insert the Horizon Soft client password that has been email to you
  6. Sign In – set sign in to automatic.