ITU-T Y 1261 NOTE SPANISH-2004 Service requirements and architecture for voice services over Multi-Protocol Label Switching《基于多协议标签交换(MPLS)技术的语音业务的业务需求和架构》.pdf

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ITU-T Y 1261 NOTE SPANISH-2004 Service requirements and architecture for voice services over Multi-Protocol Label Switching《基于多协议标签交换(MPLS)技术的语音业务的业务需求和架构》.pdf_第1页
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1、Union internationale des tlcommunications Place des Nations 1211 GENVE 20 Suisse Switzerland Suiza HOJAS DE CONTROLSECRETARA GENERAL DE LA UNIN INTERNACIONAL DE TELECOMUNICACIONES Ginebra, 4 de febrero de 2004 UIT SECTOR DE NORMALIZACIN DE LAS TELECOMUNICACIONES Asunto: Erratum 1 (02/2004) a la Reco

2、mendacin UIT-T Y.1261 (12/2002), Requisitos de servicio y arquitectura para servicios vocales por redes con conmutacin por etiquetas multiprotocolo En la Figura II.1/Y.1261 Soluciones alternativas para servicios vocales por redes MPLS, en la primera solucin de servicio “voz por red MPLS“, suprmase l

3、a ltima lnea “AAL 1, AAL 2, AAL 5“. Por ejemplo, RTPC, RDSI, ATM(servicios y capacidadesexistentes)Servicios vocalescon soluciones MPLSVoz por red MPLSForo MPLS IA 1.0(AAL 1, AAL 2, AAL 5)Formato de circuitos troncales I.366.2Voz sobre el IP(RTP/UDP/IP)Voz por ATM(AAL 1, AAL 2, AAL 5)MPLSRed de transporteY1261_FII.1Por ejemplo, RTPC, RDSI, ATM(servicios y capacidadesexistentes)

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