首页>
外国专利>
Identification of called directory number at multiple directory number per line premises prior to ringing signal reception
Identification of called directory number at multiple directory number per line premises prior to ringing signal reception
展开▼
机译：在振铃信号接收之前，在每条线路场所在多个目录号上标识被叫目录号
展开▼
页面导航
摘要
著录项
相似文献
摘要
A telecommunication network having a switching system connected to a called station by a line that provides notification to a called party of information relating to an incoming call. This information generally consists of the called number, but may also include an extension or other code. The called party identification is delivered to the called telephone station set during the silent period after ringing, or, advantageously, before ringing starts. A signal (e.g., FSK) is sent to the called telephone station set shortly before the ringing signal is sent to the called station. A converter at the customer premises receives the FSK signal and demodulates it. A control unit connected to the converter then causes the called DN to be displayed, may cause a distinctive ring to be made, or take other action depending upon its program.
展开▼
