A communication device comprising: a digital enhanced cordless telecommunications, DECT, communication unit that is adapted to perform DECT communication with a DECT terminal ; and a wide area wireless communication unit that is adapted to transmit data to and to receive data from the DECT communication unit and is adapted to perform wide area wireless communication with a wide area wireless carrier gateway through a wide area wireless base station , wherein the DECT communication unit is adapted to repeatedly transmit a connection verification request to the wide area wireless communication unit in order to verify a connection state of a wide area wireless link with the wide area wireless carrier gateway , the wide area wireless communication unit is adapted to transmit a connection verification response to the DECT communication unit in response to the connection verification request in a case where the wide area wireless link is connected, and the DECT communication unit , in a case where the DECT communication unit receives a DECT connection request for requesting connection of a DECT link from the DECT terminal and receives the connection verification response from the wide area wireless communication unit , is adapted to transmit a DECT connection response to the DECT terminal in response to the DECT connection request, and wherein the wide area wireless communication unit is further adapted not to transmit the connection verification response to the DECT communication unit in response to receiving the connection verification request in a case where the wide area wireless link is disconnected, and the DECT communication unit is further adapted to transmit a state notification signal indicating that the wide area wireless link is disconnected to the DECT terminal in a case where the DECT communication unit does not receive the connection verification response within a predetermined period of time from transmission of the connection verification request. a digital enhanced cordless telecommunications, DECT, communication unit that is adapted to perform DECT communication with a DECT terminal ; and a wide area wireless communication unit that is adapted to transmit data to and to receive data from the DECT communication unit and is adapted to perform wide area wireless communication with a wide area wireless carrier gateway through a wide area wireless base station , wherein the DECT communication unit is adapted to repeatedly transmit a connection verification request to the wide area wireless communication unit in order to verify a connection state of a wide area wireless link with the wide area wireless carrier gateway , the wide area wireless communication unit is adapted to transmit a connection verification response to the DECT communication unit in response to the connection verification request in a case where the wide area wireless link is connected, and the DECT communication unit , in a case where the DECT communication unit receives a DECT connection request for requesting connection of a DECT link from the DECT terminal and receives the connection verification response from the wide area wireless communication unit , is adapted to transmit a DECT connection response to the DECT terminal in response to the DECT connection request, and wherein the wide area wireless communication unit is further adapted not to transmit the connection verification response to the DECT communication unit in response to receiving the connection verification request in a case where the wide area wireless link is disconnected, and the DECT communication unit is further adapted to transmit a state notification signal indicating that the wide area wireless link is disconnected to the DECT terminal in a case where the DECT communication unit does not receive the connection verification response within a predetermined period of time from transmission of the connection verification request. <EOS>