Wireless telephone and wireless telephone system

作者: Shuichi Mitsubishi Denki Kabushiki Kaisha Seki

DOI:

关键词: Rotary dialTelephone exchangeTelecommunicationsClass 5 telephone switchTelephone lineTelephone networkMobile radio telephoneTelephone switchboardClass 4 telephone switchEngineering

摘要: In a related art mobile telephone system, the generation of an RBT (ring back tone) and busy tone is realized by transmitting data registered in network system to calling telephone. according this invention, like are previously called telephone, when originates call corresponding operating state transmitted Accordingly, can be easily changed with user's original melody or like, whereby it possible improve service for user.

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