System and method for implementing voice call forwarding through data network

System and method for implementing voice call forwarding through data network

  • CN 101,489,003 B
  • Filed: 02/23/2009
  • Issued: 06/22/2011
  • Est. Priority Date: 02/23/2009
  • Status: Active Grant
First Claim
Patent Images

1. VOIP call forwarding server, comprise data bank service unit, media gateway business unit and interface unit, it is characterized in that, the data bank service unit is used to set up the correspondence table of the purpose telephone number of VOIP calling transfer user'"'"'s telephone number and calling transfer, sets up the correspondence table of mailing address of the VOIP call forwarding server of calling transfer purpose telephone number and its ownership;

  • Described media gateway business unit has medium gateway function, and call matches function, described call matches function is meant according to the original called phone number E in the initial call message that receives and retrieves the purpose telephone number F of calling transfer and the mailing address of the purpose VOIP call forwarding server that described purpose telephone number F belongs to from described data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number F to described call proceeding by communication network;

    Described interface unit is used to realize the interface with communication network, and the interface of realization and IP data network;

    Described VOIP call forwarding server also comprises VLR Visitor Location Register VLR business unit, mobile services switching centre MSC business unit and enhanced media gateway service unit, and described VLR Visitor Location Register VLR business unit is used to realize the VLR function of mobile communication;

    Described mobile services switching centre MSC business unit is used to realize the MSC function of mobile communication;

    Described enhanced media gateway service unit has medium gateway function, and mobile service triggers function and diverting call function;

    It is when receiving initial call message that described mobile service triggers function, parse the original called mobile phones number in the described message related to calls, attaching position register HLR under described Mobile Directory Number sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server of described Mobile Directory Number ownership;

    Described diverting call function is meant the original called mobile phones number of determining coupling according to the called phone number in the initial call message that receives from described mobile services switching centre MSC business unit, retrieve the mailing address of the purpose VOIP call forwarding server of the purpose telephone number of calling transfer of described original called mobile phones number correspondence and described purpose telephone number ownership from the data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×