| 摘要 |
When a PTT commencement notification is received by a communication part (102), and a PTT application to execute a process related to the PTT communication is activated, and no instruction to commence the PTT communication has been entered into a key entry part (103) for a predetermined time period, the PTT application voluntarily terminates with the result that a predetermined flag data (fg) is stored into an external data storage area (AR1). Thereafter, when the PTT application has not been activated, an arrival-during-absence notification, which indicates that the PTT commencement notification was not responded to, is issued based on the flag data (fg) stored in the external data storage area (AR1). In an automatic response mode, when a PTT communication, which automatically commenced in response to the PTT commencement notification, terminates, an arrival-during-absence, which means that a non-responded PTT communication commencement notification was received, is notified to the user in an appropriate manner based on an information transmission by the communication part (102) from the local apparatus or based on whether any instruction is entered into the key entry part (103).
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