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Mobile Call Flow

Mobile Call Flow

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Mobile Call Flow Mobile Call Flow Presentation Transcript

  • FNR BSC PSTN SMSC IN HLR VLR Internet Gateway MSC BSC SGSN GGSN GMSC Mobile Origination Call (Type: PPT, Total Page: 31) Subscriber is authenticated and authorized to use the respective service. IN is used for Intelligent Services like Prepaid Billing, CPN. IN locks the amount in advance during call setup in case of prepaid. MSC/GMSC interrogates with FNR to identify the Called Party operator. GMSC routes the call to the respective operator MS BTS MS BTS MS BTS Contact: yohaim@gmail.com Blog: http://telcoconsulting.blogspot.kr Example
  • FNR BSC PSTN SMSC IN HLR VLR Internet Gateway MSC BSC SGSN GGSN GMSC Mobile Termination Call (Type: PPT, Total Page: 31) GMSC Interrogates with FNR whether the number is a ported number. If it’s a ported out number the call is routed to respective operator. If the called number is own subscriber , the LAC information is retrieved by interrogating to HLR. After interrogating with HLR and VLR the respective MSRN is retrieved and call is routed to respective location. MS BTS MS BTS MS BTS Example Contact: yohaim@gmail.com Blog: http://telcoconsulting.blogspot.kr