发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了光缆通信系统的系统误码特性与系统抖动特性的测试方法。 本标准主要适用于光缆数字传输系统(数字段、数字链路等)的误码特性与抖动特性的测试。其他数字传输系统及各种光、电设备的误码特性与抖动特性的测试也可参照使用
The measurement methods of transmission performances on optical fiber cable communcation systems
Speech Processing, Transmission and Quality Aspects (STQ); Objectives and principles for the transmission performance of multiple interconnected networks that aim to provide "traditional quality" telephony services
本标准规定了车载窄带(300Hz~3.4kHz)免提语音通信(以下简称车载免提)设备的性能要求、测试配置、测试所需的环境条件和测试方法。 本标准适用于原装车载窄带免提系统、后期安装的车载窄带免提附件、车载使用的有线头戴机和线头戴机,既包括对完整车载免提(通信)系统和车载免提麦克风的测试,也包括对
Transmission performance requirements and testing methods for narrowband voice communication devices in vehicle
本文件适用于原装车载免提系统、后期安装的车载免提附件、有线头戴耳机-传声器组和线头戴耳机-传声器组
Network characterization tests that are specifically designed to measure Group 3 facsimile performance must be well correlated with the typical
(WITHDRAWN) Test Transaction for Facsimile Transmission Performance - Telephone Network and ISDN Quality of Service, Network Management and Traffic Engineering Study Group 2; 6 pp
本标准规定了话音频带数字电话机传输性能进网要求及测试方法,适用于话音频带数字电话机传输性能指标的设计和测试,可作为产品传输性能质量检验和进一步制定产品标准的仁要依据
Technical requirement and test method for digital telephone transmission performances
This Recommendation specifies a test transaction for use in other E-Series Recommendations that can help benchmark performance of transmission
Test Transaction for Facsimile Transmission Performance - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors - Quality of Service Network Management and Traffic Engineering - Network Management - Checking the Quality
This Recommendation provides specifications for the ways in which facsimile calls can be non-intrusively monitored. Non-intrusive fax performance
Measurements and Metrics for Characterizing Facsimile Transmission Performance Using Non-Intrusive Techniques - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors - Quality of Service Network Management and Traffic E
本标准规定了56kbit/s数字调制解调器(Modem)和56kbit/s模拟调制解调器(Modem)的接口及传输性能的技术要求和测试方法。 本标准适用于符合ITU-T V90 建议的 56kbit/s 数字Modem、56kbit/s模拟Modem,以及含该类Modem的数据通信设备。本标准是
Technical requirements and test methods of interface and transmission performance for 56kbit/s nidenm
Integrated Services Digital Network (ISDN). Signalling system number 7. Transaction capabilities application part (TCAP). Test specification.
Transmission Performance Specifications for Field Testing of Unshielded Twisted-Pair Cabling Systems
本标准规定了IP电话设备在手柄、免提、头戴机及电接口条件下传输性能的技术要求和测试方法,并给出应达到的语音质量性能建议。 本标准适用于设计用于传输窄带(300Hz~3.4kHz)语音的IP电话功能的设备,包括各种接入IP网络的移动或固定的IP电话终端、IP电话网关、IP视讯会议终端、综合接入设备
Speech quality and transmission performance requirements and testing methods for IP telephony equipment
本标准规定了IP电话终端设备传输性能的技术要求和测试方法,并给出语音质量建议。 本标准适用于固定和移动的窄带(300~3 400Hz)IP电话终端设备,包括IP电话、IP电话网关、线接入IP电话、线IP电话、IP视讯会议终端、IAD以及软电话等
Speech Quality and Transmission Performance Requirements and Testing Methods for IP Telephony Terminal Equipment
本标准规定了光缆通信系统的系统误码特性与系统抖动特性的测试方法。 本标准主要适用于光缆数字传输系统(数字段、数字链路等)的误码特性与抖动特性的测试。其他数字传输系统及各种光、电设备的误码特性与抖动特性的测试也可参照使用
The measurement methods of transmission performances on optical fiber cable communcation systems
Speech Processing, Transmission and Quality Aspects (STQ); Objectives and principles for the transmission performance of multiple interconnected networks that aim to provide "traditional quality" telephony services
本标准规定了车载窄带(300Hz~3.4kHz)免提语音通信(以下简称车载免提)设备的性能要求、测试配置、测试所需的环境条件和测试方法。 本标准适用于原装车载窄带免提系统、后期安装的车载窄带免提附件、车载使用的有线头戴机和线头戴机,既包括对完整车载免提(通信)系统和车载免提麦克风的测试,也包括对
Transmission performance requirements and testing methods for narrowband voice communication devices in vehicle
本文件适用于原装车载免提系统、后期安装的车载免提附件、有线头戴耳机-传声器组和线头戴耳机-传声器组
Network characterization tests that are specifically designed to measure Group 3 facsimile performance must be well correlated with the typical
(WITHDRAWN) Test Transaction for Facsimile Transmission Performance - Telephone Network and ISDN Quality of Service, Network Management and Traffic Engineering Study Group 2; 6 pp
本标准规定了话音频带数字电话机传输性能进网要求及测试方法,适用于话音频带数字电话机传输性能指标的设计和测试,可作为产品传输性能质量检验和进一步制定产品标准的仁要依据
Technical requirement and test method for digital telephone transmission performances
This Recommendation specifies a test transaction for use in other E-Series Recommendations that can help benchmark performance of transmission
Test Transaction for Facsimile Transmission Performance - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors - Quality of Service Network Management and Traffic Engineering - Network Management - Checking the Quality
This Recommendation provides specifications for the ways in which facsimile calls can be non-intrusively monitored. Non-intrusive fax performance
Measurements and Metrics for Characterizing Facsimile Transmission Performance Using Non-Intrusive Techniques - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors - Quality of Service Network Management and Traffic E
本标准规定了56kbit/s数字调制解调器(Modem)和56kbit/s模拟调制解调器(Modem)的接口及传输性能的技术要求和测试方法。 本标准适用于符合ITU-T V90 建议的 56kbit/s 数字Modem、56kbit/s模拟Modem,以及含该类Modem的数据通信设备。本标准是
Technical requirements and test methods of interface and transmission performance for 56kbit/s nidenm
Integrated Services Digital Network (ISDN). Signalling system number 7. Transaction capabilities application part (TCAP). Test specification.
Transmission Performance Specifications for Field Testing of Unshielded Twisted-Pair Cabling Systems
本标准规定了IP电话设备在手柄、免提、头戴机及电接口条件下传输性能的技术要求和测试方法,并给出应达到的语音质量性能建议。 本标准适用于设计用于传输窄带(300Hz~3.4kHz)语音的IP电话功能的设备,包括各种接入IP网络的移动或固定的IP电话终端、IP电话网关、IP视讯会议终端、综合接入设备
Speech quality and transmission performance requirements and testing methods for IP telephony equipment
本标准规定了IP电话终端设备传输性能的技术要求和测试方法,并给出语音质量建议。 本标准适用于固定和移动的窄带(300~3 400Hz)IP电话终端设备,包括IP电话、IP电话网关、线接入IP电话、线IP电话、IP视讯会议终端、IAD以及软电话等
Speech Quality and Transmission Performance Requirements and Testing Methods for IP Telephony Terminal Equipment