YDT 1085-2000 B-ISDN ATM适配层(AAL)类型2信令技术规范(能力集-1)

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1、免费标准下载网(www.freebz.net)YU中华人民共和国通信行业标准YD/T1085-2000B一ISDNATM适配层AAL类型2信令技术规范(能力集一1)B一ISDNATMAdaptationLayerAALType2SignalingTechnicalSpecification(CS一1)2000-11-28发布2001-05-01实施中华人民共和国信息产业部发布免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)YD/T1085-2000目次前言····

2、·················································································································⋯⋯m1范围··················································································································⋯⋯12弓}用标准·······················

3、·····················································································⋯⋯13名词术语············································································································⋯⋯14AAL2信令协议的总体框架···············································

4、·································......⋯⋯35AAL2信令协议······································································································⋯⋯86AAL2信令传递变换器··························································································⋯⋯41附录A

5、(标准的附录)AAL2中继(Trunking)功能······················································⋯⋯60标准分享网www.bzfxw.com免费下载免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)YDIT1085-2000前言本标准的制定是为了适应我国宽带通信网以及第三代移动通信网发展的需要:为在我国宽带通信网中科学合理地引入话音业务提供技术依据，并且为我国第三代移动通信设备的开发和研制提供可靠的技术保

6、证。AAL2信令协议主要应用于宽带通信网的ATM交换机之间、第三代移动通信网中的移动交换机间、移动交换机同RNC和NodeB之间。本标准主要依据ITU-TQ.2630.1建议和其它相关建议，并结合我国宽带通信网络建设的实际情况以及第三代移动通信的技术发展情况制定的。本标准的附录A是标准的附录。本规范由信息产业部电信研究院提出并归口。本标准起草单位:信息产业部电信传输研究所本标准主要起草人:续合元吕军王立言免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)中华人民共和

7、国通信行业标准B-ISDNATM适配层AAL类型2信令技术规范(能力集一1)B-ISDNATMAdaptationLayerYD/T1085-2000AALType2SignalingTechnicalSpeciflcation(CS-1)范围本规范规定了为提供AAL2业务所使用的信令协议(能力集1)0本规范适用于支持AAL2业务的宽带通信网中的ATM交换机，以及第三代移动通信网中移动交换机、RNC以及NodeB的开发、生产、引进。2引用标准下列标准所包含的条文，通过在本标准中引用而构成本标准的条文。在标准出版时，所示版本均

8、为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。ITU-TQ.2630.1建议AAL2信令协议(1999年)ITU-TQ.2150.1建议基于宽带消息传递部分(MTP-3b)的AAL2的信令传递变换器(1999年)ITU-TQ.2150.2建议基于SSCOP