ITU-T F.421(11 1988) (英) Message handling services……

《ITU-T F.421(11 1988) (英) Message handling services……》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、INTERNATIONALTELECOMMUNICATIONUNION)45 4&TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU/0%2!4)/.3!.$15!,)49/&3%26)#%-%33!'%(!.$,).'3%26)#%3-%33!'%(!.$,).'3%26)#%3).4%2#/--5.)#!4)/."%47%%.4(%)0-3%26)#%!.$4(%4%,%83%26)#%)45 4Recommendation&(

2、Extractfromthe"LUE"OOK)NOTES1ITU-TRecommendationF.421waspublishedinFascicleII.6oftheBlueBook.ThisfileisanextractfromtheBlueBook.WhilethepresentationandlayoutofthetextmightbeslightlydifferentfromtheBlueBookversion,thecontentsofthefileareidenticaltotheBlueBookversionandcopyright

3、conditionsremainunchanged(seebelow).2InthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1988,1993Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyany

4、means,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.1)RecommendationF.421FascicleII.6-Rec.F.421MESSAGEHANDLINGSERVICES:INTERCOMMUNICATIONBETWEENTHEIPMSERVICEANDTHETELEXSERVICETheestablishmentinvariouscountriesofmessagehandlingserv

5、iceinassociationwithpublicnetworkscreatestheneedtoproduceRecommendationscoveringtheaspectsofpublicmessagehandlingservices.TheCCITT,considering(a)theneedforpublicmessagehandlingservices;(b)thestrategicandcommercialimportanceofstandardizationofmessagehandlingservices;(c)theurgent

6、needforintercommunicationarrangementsforexistingtelematicservices,andotherserviceswithpublicmessagehandlingservices;(d)theneedforacleardistinctionbetweentheresponsibilitiestobeallocatedtoserviceprovidersandthoseofsubscribersand/orusers;(e)theneedforestablishinginternationalcomp

7、atibilitybetweendifferentmessagingsystems;(f)thegrowthoftheinstalledbaseofterminalsandpersonalcomputerswiththeabilitytoaccessmessagehandlingsystems;(g)thatseveralF-seriesRecommendationsdescribepublicmessagehandlingservices;(h)thatcertainX,TandU-seriesRecommendationscoverrelevan

8、taspectsofsystemsusedfortheprovisionofmessagingservice