发明名称 Access code enhancement for caller preview service
摘要 By manipulating parameters of call setup messages, calls made with a caller's access code in a caller preview service may be completed to the called party or voice mail box with caller identification information displayed.
申请公布号 US7388951(B2) 申请公布日期 2008.06.17
申请号 US20030348200 申请日期 2003.01.21
申请人 SBC PROPERTIES, L.P. 发明人 MOSS JOHN WESLEY;STROUD ROBERT;CHERYE RICK
分类号 H04M3/42;H04M3/38;H04M3/436;H04M3/533 主分类号 H04M3/42
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