【實用通訊app】BT One Voice mobile access|最夯免費app-綠色工廠好玩App

The BT One Voice mobile access application for Android works in conjunction with BT's One Voice Globally Managed Voice network. This application routes outgoing international IDD calls to a One Voice gateway of that country where the call was made and the gateway will connect the call through the managed network, delivering cost savings to the customer.