发明名称 Method of operating a virtual private network
摘要 A method of operating a virtual private network includes the steps of: (a) dialing a custom number; (b) receiving the custom number at a switch ( 20 ) of a first carrier; (c) routing the call to a switch ( 18 ) of a second carrier based on having received the custom number; and (d) when the call to the switch ( 18 ) of the second carrier includes a plain old telephone number translation of the customer number, routing the call over the second carrier to a service switching point ( 26 ) of a third carrier.
申请公布号 US7190780(B2) 申请公布日期 2007.03.13
申请号 US20040795767 申请日期 2004.03.08
申请人 SBC PROPERTIES, L.P. 发明人 MADOCH PITSA;HEINMILLER WAYNE ROBERT;LEBEAU CHRISTOPHER MICHAEL;MOSS JOHN WESLEY;TILIKS DIANNA INARA;MALINOWSKI WALTER MARTIN
分类号 H04M7/00;H04M3/42;H04Q3/00 主分类号 H04M7/00
代理机构 代理人
主权项
地址