| 发明名称 |
Method of controlling telecommunications signalling |
| 摘要 |
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.
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| 申请公布号 |
US6493441(B1) |
申请公布日期 |
2002.12.10 |
| 申请号 |
US19960720123 |
申请日期 |
1996.09.27 |
| 申请人 |
SIEMENS INFORMATION AND COMMUNICATION NETWORKS, INC. |
发明人 |
BURGESS SCOTT |
| 分类号 |
H04M15/00;H04Q1/453;(IPC1-7):H04M3/00 |
主分类号 |
H04M15/00 |
| 代理机构 |
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