Telecommunications Science ›› 2004, Vol. 20 ›› Issue (7): 20-21.doi: 10.3969/j.issn.1000-0801.2004.07.006

• Research and design • Previous Articles     Next Articles

Call Model and Scheme of Number Portability

Zhiyuan Xu,Hongtao Tang   

  1. Telecommunication Planning Research Institute of Ministry of Information Industry,Beijing 100037
  • Online:2004-07-15 Published:2017-06-14

Abstract:

Number portability(NP) is very important for a competitive communication market.In this essay,classification and call model of NP are initially introduced,and then two typical scheme of NP are described.Secondly,the instance of NP abroad is presented too.Finally,the article analyzes problems when communication operators deploy the NP in the network and provides important reference to operators.

Key words: NP, call model, network deployment

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