发明名称 METHOD AND APPARATUS FOR CONNECTING CALLS AND PASSING ANNOUNCEMENTS DURING CALLS TO THE A- AND B-SUBSCRIBER
摘要 The present invention relates to a method and equipment for connecting calls and sending call-active-phase announcements to an A-subscriber (100) and a B-subscriber (101) via a switching exchange (102). According to the invention, a three-party call function is set up between the A-subscriber (100), the B-subscriber (101) and a call/announcement control apparatus (105).
申请公布号 WO9918707(A1) 申请公布日期 1999.04.15
申请号 WO1998FI00788 申请日期 1998.10.08
申请人 HELSINGIN PUHELIN OYJ - HELSINGFORS TELEFON ABP;VUORIKOSKI, MIKKO 发明人 VUORIKOSKI, MIKKO
分类号 H04M3/38;H04M3/42;H04M3/487;H04M3/54;(IPC1-7):H04M3/42 主分类号 H04M3/38
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