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ITU-T E.115 (12/1972)

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Demandes de renseignements au sujet de numéros d'appel à l'étranger
Citation: https://handle.itu.int/11.1002/1000/10762
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: 1972-12-15
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)