CCITT F.80(10-1991) (英) Basic requirements for interworking……

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1、INTERNATIONALTELECOMMUNICATIONUNION##)44&THEINTERNATIONALTELEGRAPHANDTELEPHONECONSULTATIVECOMMITTEE4%,%'2!0(!.$-/"),%3%26)#%3/0%2!4)/.3!.$15!,)49/&3%26)#%"!3)#2%15)2%-%.43&/2).4%27/2+).'2%,!4)/.3"%47%%.4(%).4%2.!4)/.!,4%,%83%

2、26)#%!.$/4(%23%26)#%32ECOMMENDATION&Geneva,1991FOREWORDTheCCITT(theInternationalTelegraphandTelephoneConsultativeCommittee)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).CCITTisresponsibleforstudyingtechnical,operatingandtariffqu

3、estionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.ThePlenaryAssemblyofCCITTwhichmeetseveryfouryears,establishesthetopicsforstudyandapprovesRecommendationspreparedbyitsStudyGroups.TheapprovalofRecommendationsb

4、ythemembersofCCITTbetweenPlenaryAssembliesiscoveredbytheprocedurelaiddowninCCITTResolutionNo.2(Melbourne,1988).RecommendationF.80waspreparedbyStudyGroupIandwasapprovedundertheResolutionNo.2procedureonthe11thofOctober1991.___________________CCITTNOTES1)Inth

5、isRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationAdministrationandarecognizedprivateoperatingagency.2)AlistofabbreviationsusedinthisRecommendationcanbefoundinAnnexA.ãITU1991Allrightsreserved.Nopartofthispubl

6、icationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.RecommendationF.80RecommendationF.80BASICREQUIREMENTSFORINTERWORKINGRELATIONSBETWEENTHEINTERNATIONALTELEXSER

7、VICEANDOTHERSERVICES1ScopeThisRecommendationdefinesthebasicrequirementswhichshouldbeobservedwhendefininginterworkingrelationsbetweentheinternationaltelexserviceandotherservices.TheaimofthisRecommendationistoensurethatbyimplementingsuchinterworkingrelations

8、nonegativeinfluencesariseforsubscribersoftheinternationaltelexservice.Onlytheperspectiveofatelexsubscribercommunicatingwithterminalsofanotherservice[viaaninterworkingfunction(IWF)]isconsideredinthisRecommenda