发明名称 Call tones in communication networks
摘要 A communication hub for providing call tones in a communication network proximate the calling device. The communication hub comprises an interface coupled to a processor and a tone generator. The tone generator is configured to generate call tones. The processor is configured to process an in-band call tone request message to direct the tone generator to provide the call tones to a call device. The interface is configured to receive the call tone request message and provide the call tones to the call device.
申请公布号 US6731738(B1) 申请公布日期 2004.05.04
申请号 US20000537057 申请日期 2000.03.28
申请人 SPRINT COMMUNICATIONS COMPANY, L.P. 发明人 QIU CHAOXIN CHARLES;SILVUS SHANNON P.;KENNEDY RICHARD N.;GETTLES MICHAEL J.;DOUSKALIS WILLIAM
分类号 H04B17/00;H04M3/22;H04M3/32;H04M7/00;H04M19/02;H04Q3/00;(IPC1-7):G06F11/00 主分类号 H04B17/00
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