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发明名称
Dynamic essential line service
摘要
A switch-based feature that dynamically designates a class B line as class A if the call is a GETS call. The line remains class A until a non-GETS call is placed, whereupon the line reverts to its normal class B designation.
申请公布号
US7146001(B2)
申请公布日期
2006.12.05
申请号
US20020174878
申请日期
2002.06.19
申请人
LUCENT TECHNOLOGIES INC.
发明人
GOLDMAN STUART O.
分类号
H04M3/00;H04M3/42;H04M7/00;H04M11/00
主分类号
H04M3/00
代理机构
代理人
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