Carrier Channel: IXCs: Don’t Let DA Slip Away

Posted: 05/1999 IXCs: Don’t Let DA Slip Away By Larry Butler Since 1964, consumers have dialed 411 for local directory assistance (DA) and NPA-555-1212 for numbers outside their local area. This approach has worked reasonably well for years, but no longer. Multiple local exchange carriers (LECs) and number portability are among the reasons that a […]

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