Universal personal telecommunications (UPT) is a special segment of the international telephone number space which has been set aside for universal personal telephone numbers. This service has been allocated country code +87810 and is completed by a 10-digit subscriber number which provides 10 billion unique numbers. The International Telecommunication Union (ITU) introduced this concept in 2001, referring to it as "global number portability". However, number portability normally refers to the service of keeping an existing phone number after moving service to another provider.The delegation of UPT was requested by VisionNG Chairman Herwart Wermescher and was confirmed by Counsellor, SG2 of ITU-TSB Richard Hill on May 21, 2002.
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