ITU-R V : Vocabulary and related subjects

ITU-T Recommendations : Series E – Overall network operation,telephone service,service operation and human factors

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ITU-T Recommendations: Series E  (Overall network operation, telephone service, service operation and human factors) ITU-T Recommendations In force December 2000 edition   ITU-T Rec. E.100 (11/88) Definitions of terms used in international telephone operation ITU-T Rec. E.104 (02/95) International telephone directory assistance service and public access ITU-T Rec. E.105 (08/92) International telephone service ITU-T Rec. E.106 […]