发明名称 Method and apparatus for enabling customized and selectable network announcements
摘要 The present invention enables network providers of toll free calls to give customers a choice of what network announcements they want to listen to as they wait in queue. For example, customers could select to hear silence with periodic estimations of wait time, different types of music, current global, domestic, or local news, information about sports or financial information. The present invention allows customers to toggle between different selections via a predefined Dual Tone Multiple Frequency (DTMF) signal.
申请公布号 US8675857(B1) 申请公布日期 2014.03.18
申请号 US20040019487 申请日期 2004.12.22
申请人 CROAK MARIAN;ESLAMBOLCHI HOSSEIN;AT&T INTELLECTUAL PROPERTY II, L.P. 发明人 CROAK MARIAN;ESLAMBOLCHI HOSSEIN
分类号 H04M3/42;H04L12/66;H04M3/00 主分类号 H04M3/42
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