| 摘要 |
A mobile telephone device that selectively switches an LTE communication system that provides a first service and a CDMA communication system that provides a second service for performing communication, includes: a first timer management unit which, after transferring from the LTE communication system to the CDMA communication system and ending communication related to the second service, activates a first timer and detects elapse of the first timer; and a switching unit which switches from the CDMA communication system to the LTE communication system in response to the elapse of the first timer being detected; wherein after ending the communication related to the second service, the first timer management unit changes timing to start the first timer or length of the first timer according to an ending reason of the communication.
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