During an active call in WFC Voice, a popup window appears when an incoming call is received. Touch one of two buttons to accept or reject an incoming call.
Starting in version 9.0.21401, when a WFC Voice call is received while the app is running in the background, an Android notification displays instead of the WFC Voice popup window. If there are multiple incoming calls, open the Android notification panel to view all notifications.
When an incoming call is through a wide area network (WAN), the WFC Voice call is placed on hold. If the WAN call is accepted, the WFC Voice call remains on hold.
To resume the WFC Voice call, open WFC Voice and touch