Network management Checking the quality of the international telephone service Operational considerations for QoS of voice over IP-based networks wit
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1、 Network management Checking the quality of the international telephone service Operational considerations for QoS of voice over IP-based networks with PSTN-IP-PSTN architecture ITU-T Recommendation E.470 ITU-T E-SERIES RECOMMENDATIONS OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS INTERNATIONAL OPERATION Definitions E.100E.103 General provisions concerning Administrations E.104E.119 General provisions concerning users E.120E.139 Operation of international。
2、works Phone: +41 22 849.60.00 - Fax: +41 22 849.60.01 - URL: http:/www.ecma.ch - Internet: helpdeskecma.ch . Standard ECMA-336 International June 2002 Standardizing Information and Communication Systems Private Integrated Services Network (PISN) - Mapping Functions for the Tunnelling of QSIG through IP Networks (Mapping/IP-QSIG) Phone: +41 22 849.60.00 - Fax: +41 22 849.60.01 - URL: http:/www.ecma.ch - Internet: helpdeskecma.ch IW Ecma-336.doc 01-07-02 16,29 . Brief History This Standard i。
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7、黑龙江省地方标准电子政务外网地址规范,发布,实施黑龙江省市场监督管理局发布,前言本文件按照,给出的规则起草,本文件由黑龙江省营商环境建设监督局提出并归口,本文件起草单位,黑龙江省营商环境建设监督局,黑龙江省政务大数据中心,黑龙江省标准化研究。