发明名称 METHOD AND SYSTEM FOR PROVIDING TELEPHONY SERVICES VIA DSL
摘要 A method and system for providing telephony services utilizes an emulated telephone channel within an allocated portion of digital subscriber line bandwidth (step 136). The digital subscriber line connects to a packet switched network, and embodiments of the present invention derive telephone services over the digital subscriber line by utilizing a portion of the available bandwidth to emulate one or more telephone channels (step 138).
申请公布号 WO0073741(A1) 申请公布日期 2000.12.07
申请号 WO2000US10956 申请日期 2000.04.24
申请人 U S WEST, INC. 发明人 PHILLIPS, BRUCE, A.;KUNG, DARWEI;FINK, RICHARD, H.
分类号 H04J3/16;H04L12/56;H04L12/64;H04Q11/04;(IPC1-7):G01C15/00;H04L12/28;H04L12/66;H04J3/22 主分类号 H04J3/16
代理机构 代理人
主权项
地址