Telephone number portability

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771	PDF Document Add to Reading List Source URL: www.ofcom.org.uk Language: English - Date: 2007-10-08 11:43:10 Telephony Personal numbering BT Group Telephone numbers in the United Kingdom Non-geographic telephone numbers in the United Kingdom Local number portability Telephone numbers in Europe Telephone numbering plan .bt Telephone numbers Communication Numbers
772	PDF Document Add to Reading List Source URL: www.ofcom.org.uk Language: English - Date: 2007-10-08 11:24:12 Electronic engineering Telephone numbering plan Geographic number Telephone numbers in the United Kingdom Local number portability Telephone numbers in Europe Telex Caller ID Toll-free telephone number Telephone numbers Telephony Technology
773	Untitled Add to Reading List Source URL: aei.pitt.edu Language: English European Telephony Numbering Space Telephone numbering plan Communication Telephone numbers in the United Kingdom Numbering scheme Universal Personal Telecommunications Toll-free telephone number Personal numbering Local number portability Telephone numbers Technology Electronic engineering