发明名称 |
Telecommunications switching |
摘要 |
In a telecommunications system in which narrowband or guiding services already exist, different service rates, either fixed or variable may be required. A further service switch is connected in parallel with the existing narrowband or guiding switch, the further service switch being similarly controlled in response to the guiding signalling.
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申请公布号 |
US5579311(A) |
申请公布日期 |
1996.11.26 |
申请号 |
US19940302513 |
申请日期 |
1994.09.08 |
申请人 |
GPT LIMITED |
发明人 |
CHOPPING, GEOFFREY;MADDERN, THOMAS S.;SMITH, PAUL A. |
分类号 |
H04M3/42;H04M15/00;H04Q3/00;H04Q11/04;(IPC1-7):H04L12/56;H04J3/12 |
主分类号 |
H04M3/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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