SAE AMS6444 Steel Bars, Forgings, and Tubing 1.45Cr (0.98 - 1.10C) (SAE 52100) Premium Aircraft-Quality, Consumable Elec
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来源:标准资料网
Product Code:SAE AMS6444
Title:Steel Bars, Forgings, and Tubing 1.45Cr (0.98 - 1.10C) (SAE 52100) Premium Aircraft-Quality, Consumable Electrode Vacuum Melted
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Corporatetelecommunicationnetworks;SignallinginterworkingbetweenQSIGandH.323;Basicservices
【原文标准名称】:信息技术.远程通信及系统间的信息交换.通用通信网络.QSIG和H.323间的信令互动.基本业务
【标准号】:ISO/IEC23289-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:QSIG;电路网络;补充业务;电信设备;远程通信;信号传输;通信网;信息交换;电信;信息技术;网络互连
【英文主题词】:Circuitnetworks;Communicationnetworks;Communicationservice;Informationinterchange;Informationtechnology;Networkinterconnection;QSIG;Signaltransmission;Supplementaryservices;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardspecifiessignallinginterworkingbetween"QSIG"and"H.323"insupportofbasicserviceswithinacorporatetelecommunicationnetwork(CN)."QSIG"isasignallingprotocolthatoperatesattheQreferencepointbetweenPrivateIntegratedservicesNetworkeXchange(PINX)withinaPrivateIntegratedServicesNetwork(PISN).TheQreferencepointisdefinedinISO/IEC11579-1.APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinotherInternationalStandards,inparticularISO/IEC11572(callcontrolinsupportofbasicservices)."H.323"isasetofsignallingprotocolsforthesupportofvoiceormultimediacommunicationwithinapacketnetwork,inparticularapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocol(IPnetwork).H.323signallingprotocolsoperatebetweenendpointsinanIPnetwork,eitherindirectlyviaoneormoregatekeepers,ordirectly.Anendpointcanbeaterminaloragatewaytoanothernetwork.H.323isan"umbrella"recommendationreferringtovariousITU-Trecommendations,inparticularrecommendationsH.225.0andH.245(basiccommunicationcapabilities).ThisInternationalStandardspecifiessignallinginterworkingforbasicservicesthatprovideabidirectionaltransfercapabilityforspeech,DTMF,facsimileandmodemmediabetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.ThisInternationalStandardspecifiesrequirementsforestablishinguserinformation(audio)connectionsbetweenthePISNandtheIPnetwork,butprotocolsfortransmittingaudiointheIPnetworkandforsignallinginordertoestablishandclosedownaudiotransmissionintheIPnetworkareoutsidethescopeofthisInternationalStandard.SupplementaryservicesareoutsidethescopeofthisInternationalStandard.InterworkingbetweenQSIGandH.323permitsacalloriginatingatauserofaPISNtoterminateatauserofaprivateIPnetwork,oracalloriginatingatauserofaprivateIPnetworktoterminateatauserofaPISN.InterworkingbetweenaPISNemployingQSIGandapublicIPnetworkemployingH.323isoutsidethescopeofthisInternationalStandard.However,thefunctionalityspecifiedinthisInternationalStandardisinprincipleapplicabletosuchascenariowhendeployedinconjunctionwithotherrelevantfunctionality(e.g.,numbertranslation,securityfunctions,etc.).AlthoughtwosuchgatewayscanoperateaspeersoneithersideofanIPnetwork(wherebytheIPnetworkprovidesinterconnectionbetweentwoPISNs),specialsupportforthissituation(e.g.,tunnellingofQSIGinformationthroughtheIPnetwork)isoutsidethescopeofthisInternationalStandard.AlthoughtwosuchgatewayscanoperateaspeersoneithersideofaPISN(wherebythePISNprovidesinterconnectionbetweentwoIPnetworks),specialsupportforthissituation(e.g.,tunnellingofH.323informationthroughthePISN)isoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoanyinterworkingunitthatcanactasagatewaybetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:39P;A4
【正文语种】:英语
基本信息
| 标准名称： | 纸与纸板短距压缩试验仪 |
| 中标分类： |
轻工、文化与生活用品 >>
轻工机械 >>
造纸机械综合 |
| 发布部门： | 国家轻工业局 |
| 发布日期： | 1998-05-14 |
| 实施日期： | 1999-03-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 国家轻工业局行业管理司 |
| 归口单位： | 全国轻工机械标准化中心 |
| 起草单位： | 四川省长江造纸仪器厂、国家纸张质量监督检测中心 |
| 起草人： | 吕惠庆 |
| 出版社： | 中国轻工业出版社 |
| 出版日期： | 1999-03-01 |
| 页数： | 7页 |
适用范围
本标准规定了纸与纸板短距压缩试验仪产品技术要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于纸与纸板短距压缩试验仪(以下简称“短距压缩仪”)。短距压缩仪使用中的周期技术状态检验亦应参照使用。
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所属分类： 轻工 文化与生活用品 轻工机械 造纸机械综合
