发明名称 METHOD TO PRE-QUALIFY COPPER LOOPS FOR ADSL SERVICE
摘要 A method that uses a test system at one end of a communication link to test the communication link for high speed service by coupling the test system to the communication link, placing a telephonic call to telephonic equipment locate d at an other end of the communication link and testing the communication link with the te st system after the call has been terminated at the telephonic equipment.
申请公布号 CA2289342(C) 申请公布日期 2004.10.19
申请号 CA19992289342 申请日期 1999.11.10
申请人 LUCENT TECHNOLOGIES INC. 发明人 SAWYER, ALBERT JOSEPH;POSTHUMA, CARL ROBERT
分类号 H04M3/26;H04B3/46;H04M3/00;H04M3/30;H04M3/32;(IPC1-7):H04Q1/24;H04M3/24 主分类号 H04M3/26
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