ITU-T E.124 Discouragement of Frivolous International Calling to Unassigned or Vacant Numbers Answered by Recorded Announcements without Charge

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ITU-T E.124 Document Information:

Title
Discouragement of Frivolous International Calling to Unassigned or Vacant Numbers Answered by Recorded Announcements without Charge

International Telecommunication Union/ITU Telcommunication Sector

Publication Date:
Jan 1, 1993

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