Solution proposal for the TLDN conflict in the international call delivery - PowerPoint PPT Presentation

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Solution proposal for the TLDN conflict in the international call delivery

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2: A Chicago user roams to Mexico City (assume a new NPA 525 assigned in New York) ... DN in Mexico City: 52-55-5101-5212. PSTN. 6.- The Chicago switch. makes ... – PowerPoint PPT presentation

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