Patent ID: 9031059
Filing Date: 2015-05-12
Classification: G06F,H04L,H04M,H04W

Abstract:
1. A method, comprising: determining if a mobile device is undocked from a docking station while a Voice over Internet Protocol (VoIP) client application at the mobile device is engaged in an active VoIP voice call via a VoIP telephone number associated with the mobile device; sending, from a network mobility device, a call delay message to the VoIP client application at the mobile device if the mobile device is undocked from the docking station while the mobile device is engaged in the active VoIP voice call, wherein the call delay message notifies the mobile device of a temporary interruption in the active VoIP voice call; sending, from the network mobility device, a call transfer request message to a switch connected to a telephone network handling the active VoIP voice call; receiving, at the network mobility device, the active VoIP voice call that has been routed from the switch; and forwarding, from the network mobility device via a wireless network, the active VoIP voice call to the VoIP client application at the mobile device, wherein forwarding the active VoIP voice call comprises: