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人为因素（HF） 电话可用性检查表基本要求

Human Factors (HF); Usability checklist for telephones Basic requirements

自动电话机技术条件

The specifications of automatic telephone set

电话用脉冲式按键号盘技术要求

Performance requirements of pushbutton dialer with pulse

国际电工词汇.第722章:电话学

International Electrotechnical Vocabulary: chapter 722: telephony

电话和其他可用于接入电话网络的美利体育官网首页网址上的数字 字母和符号的排列-E系列：整体网络运营 电话服务 服务运营和人为因素-运营 编号 Rou

Arrangement of Digits@ Letters and Symbols on Telephones and Other Devices That Can Be Used for Gaining Access to a Telephone Network - Series E: Overall Network Operation@ Telephone Service@ Service Operation and Human Factors - Operation@ Numbering@ Rou

可用于增加电话网接入的电话和其他装置的数字、字母和符号的安排 E系列:整体网络操作 电话服务

Arrangement of Digits Letters and Symbols on Telephones and Other Devices that can be Used for Gaining Access to a Telephone Network Series E: Overall Network Operation Telephone Service Service Operation and Human Factors International Operation - Number

电话传输质量和电话机术语词汇表 - 电话传输质量词汇表以及传输参数对客户传输质量评价的影响及其评估（第 XII 研究组；18 页）

Vocabulary of Terms on Telephone Transmission Quality and Telephone Sets - Telephone Transmission Quality Vocabulary and Effects of Transmission Parameters on Customer Opinion of Transmission Quality and Their Assessment (Study Group XII; 18 pp)

电话传输质量和电话机术语词汇 P 系列：电话传输质量 电话安装 本地线路网络词汇和传输参数对客户对传输质量的看法的影响

Vocabulary of Terms on Telephone Transmission Quality and Telephone Sets - Series P: Telephone Transmission Quality@ Telephone Installations@ Local Line Networks Vocabulary and Effects of Transmission Parameters on Customer Opinion of Transmission Quality

电话机响度评定值(LRs)的计算

Calculation of loudness ratings for telephone sets (Study Group 12)

图示符号用于图表 第9部分：电信：交换美利体育官网首页网址和外围美利体育官网首页网址

Graphical symbols for diagrams-Part 9: Telecommunications: Switching and peripheral equipment

电话机型号命名方法

Type designation system for telephone sets

接入电话网的电话机和其他美利体育官网首页网址上用于发号的数字、字母和符号

Arrangement of digits,letters and symbols on telephones and other devices that can be used for gaining access to a telephone network

电话机附加功能的基本技术要求及试验方法

Technical Requirements and Testing Methods of Telephone Additional Functions