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ITU-T E.115 (11/1988)

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Servicio de información informatizado sobre números telefónicos del extranjero (asistencia sobre números contenidos en la guía telefónica) reservado para operadoras
Citation: https://handle.itu.int/11.1002/1000/366
Series title: E series: Overall network operation, telephone service, service operation and human factors
  E.100-E.229: International operation
  E.104-E.119: General provisions concerning Administrations
Approval date: 1988-11-25
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)