WIRELESS TELEPHONE DEVICE, HAND-OFF METHOD IN WIRELESS TELEPHONE DEVICE AND COMMUNICATION SYSTEM

摘要

A wireless telephone device, a hand-off method in a wireless telephone device and a communication system are provided to enable the occurrence suppression of instant disconnection in a MAHHO as much as possible. A wireless telephone device (1) is comprised of a communication unit (11) for selecting one of a plurality of frequencies to carry out wireless communication with a base station, a control unit (12) for switching a frequency used by the communication unit (11) to control the communication unit (11) and a speaker for outputting a communication voice in accordance with a voice signal received by the communication unit (11). When the communication unit (11) receives a command to carry out a complement processing for a hand-off candidate frequency during a telephone call, the control unit (12) makes the speaker output a quasi voice and carries out the complement processing of switching the present frequency in use to the hand-off candidate frequency.