To provide a call system that enables a passenger to contact a crew, without constructing an in-vehicle call system.SOLUTION: A train call system comprises: an on-vehicle system comprising a mobile station; a train operation system; an on-vehicle to ground call network; and a call exchange server including storage means in which a list grouping a passenger cabin call terminal and a crew call terminal for each train is stored. The train operation system comprises: location information storage means for storing on-rail location acquired from each running train; and external connection control means for controlling connection between a closed area network and the on-vehicle to ground call network. The call exchange server comprises: association means that on the basis of on-rail location information on each train, stores a passenger cabin call terminal and a crew call terminal associated with the on-rail location information; and communication path establishment means that in the case of a call request from a passenger cabin call terminal, selects a crew call terminal on the basis of information in the association means and makes a call.SELECTED DRAWING: Figure 1

    【課題】車内通話システムを構築することなく乗客が乗務員と連絡を取ることができる通話システムを提供する。【解決手段】移動局を備えた車上システムと、列車運行系システムと、車上−地上間通話ネットワークと、列車ごとに客室通話端末と乗務員通話端末とをグループ化したリストを記憶した記憶手段を有する通話交換サーバとを備えた列車用通話システムにおいて、列車運行系システムは、走行している各列車から取得した在線位置を記憶する位置情報記憶手段と、閉域ネットワークと車上−地上間通話ネットワークとの接続を制御する外部接続制御手段とを備え、通話交換サーバは、各列車の在線位置情報に基づいて客室通話端末及び乗務員通話端末と在線位置情報とを紐付けて記憶する紐付け手段と、客室通話端末からの通話要求があった場合に紐付け手段の情報に基づいて乗務員通話端末を選択して呼出しを行う通信経路確立手段とを備えるようにした。【選択図】図1


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    Title :

    TRAIN CALL SYSTEM


    Additional title:

    列車用通話システム


    Contributors:

    Publication date :

    2021-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04M TELEPHONIC COMMUNICATION , Fernsprechverkehr / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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