（单词翻译:单击）
| 中文 | 英文 | 缩写 |
| DSL传话音 | Voice over DSL | VoDSL |
| D通道链路接入规程 | Link Access Procedure for D channel | LAPD |
| D型子凹接头 | female D-subconnector | |
| E/M 信令方式 | Ear and Mouth signaling | E&M |
| E/M中继 | E&M Trunk | EMT |
| E[线]和M[线]信令系统 | E and M signaling system | |
| EDFA泵浦功率值 | EDFA pump power | |
| EMS内存观察模块 | EMS Memory Viewing Module1 | EMVM |
| EM用户板 | EM User Interface2 | EMUI |
| FC型连接器 | full contact connector | |
| G/T值/增益温度比 | ratio of Gain to Temperature | G/T |
| G：产生帧码 A：帧定位 Z：零串抑制 P：极性转换A：告警 C：时钟恢复 H：帧同步重搜索 O：局信令 | G: Generation of frame code; A: Alignment3 of frame; Z: Zero-string suppression; P: Polarity conversion4; A: Alarm; C: Clock recovery; H: Hunt during reframe; O: Office signaling | GAZPACHO |
| GPRS支持节点 | GPRS Support Node | GSN |
| GSM公众陆地移动网 | GSM Public Land Mobile Network | GSM PLMN |
| GSM演进的增强数据速率 | Enhanced Data rate for GSM Evolution | EDGE |
| G波段（4．O～6．OGHz） | G-band | |
| IC起拔器 | IC extractor | |
| Internet 工程任务组 | Internet Engineering Task Force | IETF |
| Internet 连接电话 | Internet Connection Phone | IC Phone |
| Internet分组交换/互联网包交换 | Internet Packet eXchange | IPX |
| Internet服务提供者/互联网业务提供商 | Internet Service Provider | ISP |
| Internet号码分配局 | Internet Assigned Number Authority | IANA |
| Internet消息接入协议 | Internet Message Access Protocol | IMAP |
| IN交换管理 | IN Switching Management | IN-SM |
