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ITU-T E.165 Timetable for coordinated implementation of the full capability of the numbering plan for the ISDN era
ITU-T E.213 Telephone and ISDN numbering plan for land mobile stations in public land mobile networks (PLMN)
ITU-T E.232 Charging for calls to subscriber's station connected either to the absent subscriber's service or to a device substituting a subscriber in his absence
ITU-T E.252 Mode of application of the flat-rate price procedure set forth in Recommendations D.67 and D.150 for renumeration of facilities made available to the administrations of other countries