| 1. | Private automatic message accounting system pama
用户交换机计费系统,专用通话计费系统 |
| 2. | Requirements for pabxs access to public telephone switching network
自动用户交换机进网要求 |
| 3. | Specification for design of spc pabx engineering in industrial enterprises
工业企业程控用户交换机工程设计规范 |
| 4. | Centralized exchange functions
集中用户交换机功能 |
| 5. | Fcc establishes the pbx and dialer and answering devices committees to recommend certification standards based on the nas report
Fcc在nas报告的基础上建立用户交换机、拨号器及应答设备委员会以推荐认证标准。 |
| 6. | This requires new kinds of circuit - switching gateways that feature lan interfaces and telephony trunk connections to public networks and pbxs
这就要求用新型的电路交换网关，它们具有局域网接口和与公用网和用户交换机电话中继线连接的特点。 |
| 7. | In the control plane , the signaling protocols used in phone networks and pbxs need to be translated to connection setup actions in the multiservice lan
在控制面上，电话网和用户交换机中所采用的信令协议需转变成多服务局域网中建立的连接。 |
| 8. | When voice telephony is just another kind of lan application , the pc becomes the telephone , and the lan - together with its call - control server becomes the pbx
当话音电话成了另一种局域网应用时， pc机就成了电话，具有呼叫控制服务器的局域网成了用户交换机。 |
| 9. | Abstract : this paper analyses all factors that influence the telephone connection of program - controlled customer exchangers and puts forward measures for raising the telephone connection rate
文摘:分析了影响程控用户交换机电话接通率的各种因素，并结合实际情况指出提高电话接通率的具体措施。 |
