Touch and hold the VPN you want to delete, in the dialog that opens, touch Delete network.
Touch OK to confirm.
6.7Configuring Internet (SIP) calling
You can place/receive voice calls via the Internet when connected to a
Touch the Application tab from the Home screen and then select Phone.
Touch Settings\Call settings\Internet call\Use Internet call.Mark the checkbox to enable Internet calling.
Touch Accounts, then touch ADD ACCOUNT tab.
In the screen that opens, follow the instructions from your internet calling service provider to configure the settings for your account.
When finished, touch SAVE to confirm or touch DISCARD to cancel.
To edit/remove an internet calling accountTo edit:
Touch the Application tab from the Home screen and then select Phone.
Touch Settings\Call settings\Internet call\Accounts.Accounts you have added are listed; touch the account you want to edit.
Edit your chosen settings. When finished, touch SAVE.
To remove:
Touch the account you want to remove.
Touch and Remove account.88