| 发明名称 |
Method of controlling telecommunications signalling |
| 摘要 |
<p>A method for inhibiting the use of dual tones over an established voice channel of a telecommunications network. The method inhibits a call tone by removing at least one frequency selected from a group of frequencies used for in-band signaling. The method may also determine a time for inhibiting the call tone. <IMAGE></p> |
| 申请公布号 |
EP0835031(A2) |
申请公布日期 |
1998.04.08 |
| 申请号 |
EP19970307445 |
申请日期 |
1997.09.24 |
| 申请人 |
SIEMENS STROMBERG-CARLSON |
发明人 |
BURGESS, SCOTT |
| 分类号 |
H04M15/00;H04Q1/453;(IPC1-7):H04Q1/453 |
主分类号 |
H04M15/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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