Patent ID: 7865186
Filing Date: 2011-01-04
Classification: H04M,H04W

Abstract:
1. A system for operating wired and wireless phone services interconnectively, the system comprising: a private base station controller (pBSC) which is connected to a public switched telephone network (PSTN) and a private base station transceiver system (pBTS), and which provides a mobile communication service to a plurality of mobile communication terminals; and a group exchange which is connected to the PSTN, and which assigns a respective virtual wired phone number to each respective mobile communication terminal existing in a mobile zone as a management region of the pBTS, and which provides a public wired phone service to said each respective mobile communication terminal using the respective virtual wired phone number, and which provides a wired phone service to a wired terminal existing outside the mobile zone, wherein, when receiving a request for an outgoing service from an internal mobile communication terminal, the pBSC checks a service type identifier defining which one of a private network service and a public network service the internal mobile communication terminal requests, and the group exchange changes a caller identification (CID) into the respective virtual wired phone number assigned to the internal mobile communication terminal, and calls a called terminal via the PSTN.