发明名称 EMERGENCY CALL HANDLING IN A CELLULAR TELECOMMUNICATIONS SYSTEM
摘要 There is disclosed an emergency call handling system and method for a cellular telecommunications system (12). The emergency call handling system is provided with at least one subscriber terminal (14) which upon failure to seize a voice connection to an emergency center (16) for an emergency call, transfers short messages over the digital control channel to the emergency center (16) advising it that the user of this one subscriber terminal (14) has an emergency situation. Advantage is found with the present invention in that in times of radio voice channel and/or network traffic congestion resulting in call set up failure, the information relating to a user emergency can be forwarded as short messages to the emergency center.
申请公布号 WO9721314(A1) 申请公布日期 1997.06.12
申请号 WO1996SE01484 申请日期 1996.11.15
申请人 TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) 发明人 JOONG, DONALD;KATINAKIS, NIKOS;RAHMAN, AKBAR
分类号 H04W4/22;(IPC1-7):H04Q7/22 主分类号 H04W4/22
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