Method and device for analyzing calls
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- ZTE CORP
- Publication Date
- 2011-05-04
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The present invention relates to the communication field, in particular, to a call analysis method and device in a Next Generation Network (NGN for short). Background technique
[0002] At present, the Public Switched Telephone Network (PSTN) public telephone network includes a long-distance network and a local network, and the network level is divided into five levels. The long-distance network is composed of four-level long-distance switching centers such as the regional center C1, the provincial center C2, the regional center C3, and the county center C4. The local network is composed of the fifth-level switching center, namely, the end office C5 and the tandem office Tm.
[0003] With the development of economy and society and the improvement of telephone penetration rate, the network structure of the telephone network must constantly change to meet the demand. The update of communication technology, especially the emergence of the next-generation...