（单词翻译:单击）
| 中文 | 英文 | 缩写 |
| IP 电话 | IP telephony | |
| IP 组播技术 | IP multicast technology | |
| IP策略语句 | IP-policy statement | |
| IP地址 | IP address | |
| IP伪装 | IP masquerading | |
| ISDN 用户协议 | ISDN User Protocol1 | ISUP |
| ISDN信令控制部分 | ISDN Signaling Control Part | ISCP |
| ITU-T标准 | ITU-T recommendation | |
| Mu 律 | μ Law | |
| m阶支路单元组 | m order Tributary2 Unit Group | TUG-m |
| No.7共路信令系统 | Common Channel Signaling system No.7 | CCS7 |
| No.7信令ISDN用户部分 | Integrated Services User Part | ISUP |
| n级（时钟）n=2，3，4 | Stratum n enhanced | STn |
| n阶管理单元 | n order Administrative Unit | AU-n |
| n阶容器 | n order Container | C-n |
| N阶同步传送模块（N=1，4，16，64） | N order Synchronous Transport Module (N=1, 4, 16, 64) | STM-N |
| n阶虚容器 | n order Virtual Container | VC-n |
| OSI系统互联参考模型 | OSI reference model | |
| PCM 小型化接口设备 | compact PCM interface equipment | ZXSM-10S |
| PVC线槽安装组件 | PVC trough installation component | |
| P-坚持协议 | P-persistent protocol | |
| SC型连接器 | square couple connector | |
| SDH交叉连接 | Synchronous Digital hierarchy Cross-Connect | SDXC |
| SDH两路映射芯片 | 2 Mbit/s to TU-12 async mapper-desync | ZX2501-2 |
| SIB库 | SIB library | |
| SNMP守侯 | SNMP daemon | |
| STM-1高阶开销处理器 | STM-1 High Order Overhead Processor | ZX2543 |
