A method and apparatus for implementing Wireless Communications International ("Outpatient visits") allows a "Visitor" International enter a system visited in a foreign countryAnd originate calls.Upon entering the region visited,The Mobile Station initiates a visitor Registration which contains the Identification Number of the mobile station in the mobile switching Center Mobile visited the region.The mobile switching centre initiates a registration message to a local area.The registration of Local Area compares the Identification Number Mobile Station Mobile with a set of stored values.If there is an existing Agreement between the supplier and the registration of local area visited the Supplier Registration of Local Area VisitorThe registration of local area visited returns a number of mobile phone book with appropriate format of the Numbering Plan of North America to the mobile switching centre.When the user initiates a call, the mobile switching centre uses the number of mobile phone book to mark the information related to the call,Specifically to complete parameters such as the number of ilamadora. To recognize a NANP number format, the public telephone Switched Network processes the call as normal.File = " EMI 99049971 _ 1" id = "1" = MFI JPEG
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