M40 电话通信设备 标准查询与下载

ETSI I-ETS 300 245-6-1996 综合业务数字网(ISDN).电话终端的技术特征.第6部分:宽带(7 kHz),扩音和免提电话

Integrated Services Digital Network (ISDN); Technical Characteristics of Telephony Terminals; Part 6: Wideband (7 kHz), Loudspeaking and Hands Free Telephony

ETSI PRETS 300 679-1996 终端设备(TE).听力智障人士用电话.助听器上的电话装置的电耦合

Terminal Equipment (TE); Telephony for the Hearing Impaired; Electrical Coupling of Telephone Sets to Hearing Aids

ETSI I-ETS 300 245-2-1996 综合业务数字网(ISDN).电话终端的技术特征.第2部分:PCM A-律手持电话(第2版)

Integrated Services Digital Network (ISDN); Technical Characteristics of Telephony Terminals; Part 2: PCM A-Law Handset Telephony Second Edition

ETSI I-ETS 300 245-1-1996 综合业务数字网(ISDN).电话终端的技术特征.第1部分:概要(第2版)

Integrated Services Digital Network (ISDN); Technical Characteristics of Telephony Terminals; Part 1: General Second Edition

ETSI PRETS 300 002-1996 公共交换电话网(PSTN).用于PSTN上的9,600或4,800 bits/s标准化双工调制解调器第II类规范(第2版)

Public Switched Telephone Network (PSTN); Category II Specification for 9 600 or 4 800 Bits per Second Duplex Modems Standardized for Use on the PSTN Second Edition

ETSI ETS 300 002-1996 公共交换电话网(PSTN);类别二公共交换电话网络用标准化的9600或4800比特/秒双调制解调器规范

Public Switched Telephone Network (PSTN); Category II Specification for 9 600 or 4 800 Bits per Second Duplex Modems Standardized for Use on the PSTN

ETSI PRETS 300 118-1996 公共交换电话网(PSTN).PSTN 1,200 bits/s半双工和1,200/75 bits/s非对称标准化双工调制解调器第II类规范(第2版)

Public Switched Telephone Network (PSTN); Category II Specification for 1 200 Bits per Second Half Duplex and 1 200/75 Bits per Second Asymmetrical Duplex Modems Standardized for Use on the PSTN Second Edition

ETSI PRETS 300 117-1996 公共交换电话网(PSTN).PSTN 2,400 bits/s标准化双工调制解调器第II类规范(第2版)

Public Switched Telephone Network (PSTN); Category II Specification for 2 400 Bits per Second Duplex Modems Standardized for Use on the PSTN Second Edition

ETSI ETS 300 145-1996 综合业务数字网(ISDN).视听业务.在1个或2个64 kbit/s的信道上操作的可视电话系统与终端设备

Integrated Services Digital Network (ISDN); Audiovisual Services; Videotelephone Systems and Terminal Equipment Operating on One or Two 64 kbit/s Channels

ETSI ETS 300 118-1996 公用交换电话网(PSTN).在PSTN上使用的1,200 Bit/s标准化半双工和1,200/75 Bit/s标准化非对称双工调制解调器的第2类规范

Public Switched Telephone Network (PSTN); Category II Specification for 1 200 Bits per Second Half Duplex and 1 200/75 Bits per Second Asymmetrical Duplex Modems Standardized for Use on the PSTN

ETSI ETS 300 117-1996 公用交换电话网(PSTN).在PSTN上使用的2,400 Bit/s标准化双工调制解调器的第2类规范

Public Switched Telephone Network (PSTN); Category II Specification for 2 400 Bits per Second Duplex Modems Standardized for Use on the PSTN

ETSI ETS 300 488-1996 终端设备(TE).听力受损者使用的电话.为听力受损者提供额外接收放大功能的电话装置特性

Terminal Equipment (TE); Telephony for Hearing Impaired People; Characteristics of Telephone Sets That Provide Additional Receiving Amplification for the Benefit of the Hearing Impaired

ETSI ETS 300 492-1996 公共交换电话网(PSTN).用于PSTN上的14,400， 12,000， 9,600， 7,200和4,800 bits/s标准化的双工调制解调器类别2的规范

Public Switched Telephone Network (PSTN); Category II Specification for 14 400, 12 000, 9 600, 7 200 and 4 800 Bits Per Second Duplex Modems Standardized for Use on the PSTN

ETSI ETS 300 001-1996 公共交换电话网(PSTN)附件.公共交换电话网中和模拟用户接口连接的设备的一般技术要求.第3章:呼叫信号特性

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 3: Ringing Signal Characteristics

ETSI ETS 300 114-1996 公用交换电话网(PSTN).在PSTN上使用的标准化调制解调器的基本的第1类和第2类规范

Public Switched Telephone Network (PSTN); Basic Category I and Category II Specifications for Modems Standardized for Use on the PSTN

ETSI ETS 300 679-1996 终端设备(TE).听力障碍人士专用电话.助听电话装置的电耦合

Terminal Equipment (TE); Telephony for the Hearing Impaired; Electrical Coupling of Telephone Sets to Hearing Aids

ETSI I-ETS 300 480-1996 公共交换电话网(PSTN).模拟手持电话测试规范

Public Switched Telephone Network (PSTN); Testing Specification for Analogue Handset Telephony

ETSI I-ETS 300 677-1996 公共交换电话网(PSTN).手持电话要求

Public Switched Telephone Network (PSTN); Requirements for Handset Telephony

ITU-T E.775-1996 全球个人通信(UPT)服务等级(GOS)概念 电话网络和综合业务服务网(ISDN)服务质量,网络管理

The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ïïü). The ITU-T is responsible for studying technical, operating and tariff-questions and issuing Recommendations on them with a view t

UPT GRADE OF SERVICE CONCEPT Study Group 2; 9 pp

ITU-T E.492-1996 话务参考周期 电话网络和综合业务服务网(ISDN)服务质量,网络管理和通信工程(研究2组)11pp

Traffic reference period is a time period, relevant in traffic observations for quality control or dimensioning. The traffic reference periods are defined to detect periods of loads appropriate for monitoring Grade of Service (GOS). Normally these are not

Traffic Reference Period - Telephone Network and ISDN Quality of Service Network Management and Traffic Engineering (Study Group 2) 11 pp