M40 电话通信设备 标准查询与下载

ETSI PRTBR 038-1997 公共交换电话网(PSTN).对终端设备并入在将其连入欧洲PSTN的模拟接口时能够支持其正常业务的模拟手机功能的附加要求

Public Switched Telephone Network (PSTN); Attachment Requirements for a Terminal Equipment Incorporating an Analogue Handset Function Capable of Supporting the Justified Case Service when Connected to the Analogue Interface of the PSTN in Europe

ITU-T E.137-1997 付费电话的用户指令 E系列:整体网络操作 电话服务 服务操作和人性化因素的国际操作

This Recommendation contains a set of guideline principles for the design of user instructions for public telecommunications terminals, particularly as applied to payphones. These instructions may be mounted on or next to the terminal, or may be presented

User Instructions for Payphones - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Operation Numbering Routing and Mobile Services - International Operation - General Provisions Concerning Users Study Group 2; 15 p

ITU-T E.136-1997 电信卡中使用触摸式标识符的规范 E系列:整体网络操作 电话服务 服务操作和人性化因素的国际操作

ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITü Telecommunication Standardization Sector (ITü-T) is a permanent organ of the ITü. The ITU-T is responsible for studying techni

Specification of a Tactile Identifier for Use with Telecommunication Cards - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Operation Numbering Routing and Mobile Services - International Operation - General Prov

DIN ETS 300640:1997 人机工程.标准电话机键盘数字与字母排列方式

The document defines the assignment of alphabetic letters to digits on telephone keypad arrays.

Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays; English version ETS 300640:1996

YD/T 907-1997 接入电话网的电话机和其它设备上用于发号的数字,字母和符号规定

Regulations for numbers, letters and signs for dialing over telephone set and other equipment accessed to telephone network

ETSI PRI-ETS 300 837-1997 公共交换电话网(PSTN).比特率多媒体通信的终端

Public Switched Telephone Network (PSTN); Terminals for Low Bit-Rate Multimedia Communication

ETSI ETS 300 001-1997 公用交换电话网(PSTN)的附加装置.在PSTN中与模拟用户接口相连的设备的通用技术要求.第2章:直流特性(第4版)

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 2: DC Characteristics Fourth Edition

ETSI PRETS 300 778-2-1997 公众交换电话网(PSTN).本地环路上用于显示业务的协议.主叫显示业务-终端设备要求.第2部分:在线数据传输

Public Switched Telephone Network (PSTN); Protocol over the Local Loop for Display Services; Caller Display Service - Terminal Equipment Requirements; Part 2: On-Line Data Transmission

ETSI ETR 345-1997 人性因素(HF).电话手机按键和键盘特性,老年人和残疾人的要求

Human Factors (HF); Characteristics of Telephone Keypads and Keyboards; Requirements of Elderly and Disabled People

ETSI ETS 300 001 CHP 5-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口接入设备通用技术要求第5章呼叫功能（第四版）

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 5: Calling Function (Fourth Edition)

ETSI ETS 300 001 CHP 3-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口接入设备通用技术要求第3章振铃信号特性（第三版）

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 (Third Edition)

ETSI ETS 300 001 CHP 7-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口接入设备通用技术要求第7章电源故障（第四版）

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 7: Power Failure (Fourth Edition)

ETSI ETS 300 001 CHP 4-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口连接设备通用技术要求第4章传输特性（第四版）

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 4: Transmission Characteristics (Fourth Edition)

ETSI ETS 300 001 CHP 6-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口接入设备通用技术要求第6章应答功能（第四版）

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 6: Answering Function (Fourth Edition)

ETSI ETS 300 001 CHP 2-1997 公共交换电话网（PSTN）的附件； PSTN模拟用户接口连接设备通用技术要求第2章：直流特性（第四版）

Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 2: DC Characteristics (Fourth Edition)

ITU-R OPINION 98-1997 频率范围400.15-406 MHz的气象帮助的范围要求

that sharing studies have shown that in general co-channel sharing between meteorological aids and mobile-satellite service systems is not feasible (except as in noting 2) and sharing in the band 401-406MHz would generally require band segmentation;

Spectrum Requirements of Meteorological Aids in the Frequency Range from 400.15 to 406 MHz

ITU-R OPINION 91-1-1997 大地导电率的世界地图集

that the effective conductivity for ground-wave propagation depends on the frequency being used; the desirability for the World Atlas to contain ground conductivity data for all countries of the world

World Atlas of Ground Conductivities

ITU-R M.1223-1997 IMT-2000安全机制的评估

International Mobile Telecommunications-2000 (iMT.2000). also known as Future Public Land Mobile Telecommunication Systems (FPLMTS). are third generation mobile systems that are scheduled to start service around the year 2000. subject to market consider

Evaluation of Security Mechanisms for IMT-2000

ANSI/TIA/EIA 504-A-1997 与助听器兼容的电话的磁场强度标准

This proposed standard provides requirements for handset telephones intended for use with hearing aids and for receive-amplified handset telephones intended for use by the hard of hearing. The receive-amplified handset telephones are intended for direct coupling to the ear or for acoustic and/or magnetic coupling to hearing aids.

Magnetic Field Intensity Criteria for Telephone Compatibility with Hearing Aids

ETSI PRTBR 8-1997 综合业务数字网(ISDN).3.1 kHz电话远程业务.手机终端的附加要求.第2版

Integrated Services Digital Network (ISDN); Telephony 3,1 kHz Teleservice; Attachment Requirements for Handset Terminals Second Edition