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Date: 2014-08-12 09:50:21Mobile technology Local number portability Videotelephony Electronics Portability Telephone number mapping Integrated Services Digital Network Direct distance dialing Local Routing Number Telephone numbers Technology Electronic engineering | PROCEDURE FOR NUMBER PORTABILITY Document prepared by the Number Portability Working Group MAY 2000Add to Reading ListSource URL: www.ilr.public.luDownload Document from Source WebsiteFile Size: 22,96 KBShare Document on Facebook |