ITU-T E 124-1993 Discouragement of Frivolous International Calling to Unassigned or Vacant Numbers Answered by Recorded Announcements without Charge《阻止由非计费录音通知应答的未分配或空闲号码的无意义国际呼叫》.pdf
《ITU-T E 124-1993 Discouragement of Frivolous International Calling to Unassigned or Vacant Numbers Answered by Recorded Announcements without Charge《阻止由非计费录音通知应答的未分配或空闲号码的无意义国际呼叫》.pdf》由会员分享,可在线阅读,更多相关《ITU-T E 124-1993 Discouragement of Frivolous International Calling to Unassigned or Vacant Numbers Answered by Recorded Announcements without Charge《阻止由非计费录音通知应答的未分配或空闲号码的无意义国际呼叫》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 % TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU4%,%0(/.%G0G0.%47/2+G0G0!.$G0G0)3$./0%2!4)/. G0G0.5-“%2). G0G02/54).!.$G0G0-/“),%G0G03%26)#%$)3#/52!%-%.4G0G0/ disconnecting when the limit is reached; offering no lengthy information without charge.4 Abateme
2、nt4.1 When frivolous calls can be identified as originating from the network of a particular Administration, theAdministrations concerned should arrange bilaterally to implement the most appropriate prevention and abatementmeasures for the particular case. This bilateral arrangement may include meas
3、ures not recommended for generalapplication.4.2 In general, vacant subscriber number announcements should not be replaced by non-standard tones to reducefrivolous calling because the use of unfamiliar tones might cause increased repeat attempts by serious callers. Whereparticular numbers have been i
4、dentified as the targets of frivolous callers, replacing announcements by tones for alimited period should not degrade the service for serious callers. For this purpose only, a special information tone isrecommended._1)The problem was first discovered in Japan after KDD noticed a large number of cal
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- ITUTE1241993DISCOURAGEMENTOFFRIVOLOUSINTERNATIONALCALLINGTOUNASSIGNEDORVACANTNUMBERSANSWEREDBYRECORDEDANNOUNCEMENTSWITHOUTCHARGE

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