1.
Standard for quality inspection and evaluation of petroleum construction engineering Telecommunication engineering (installation engineering of local SPC)
石油建设工程质量检验评定标准通信工程（市内电话程控交换设备安装工程）
2.
Supervise telecom exchanger& desk phone installation.
监督程控交换机和桌上电话的安装.
3.
SPC digital toll exchange
程控数字长途电话交换机
4.
electronically controlled telephone exchange
电子控制电话交换机
5.
Code for design of railway SPC digital switching engineering
铁路时分数字程控电话交换工程设计规范
6.
Development of Phone Accounting System for PBX;
用户程控电话交换机通用计费程序的设计
7.
The Real-time Calculable System among Long-range Telephone on Computer and Exchange;
微机与程控交换机实现远程多门电话实时计费
8.
Everywhere there are program-controlled telephone booths (2 thousand), information stations (700);
建成了2000门程控电话交换站，700多个信息点；
9.
Technical requirements of digital SPC automatic telephone exchange
GB/T15542-1993数字程控自动电话交换机技术要求
10.
SPC telex exchange
程控用户电报交换机
11.
Temporary regulation for test of anti-seismic performances of digital program control switching equipment
数字程控电话交换设备抗地震性能检测暂行规定
12.
Generic specification for stored program control analogue private automatic branch telephone exchange system
GB/T14716-1993程控模拟用户自动电话交换机通用技术条件
13.
Generic specification for stored program control digital private automatic branch telephone exchange system
GB/T14381-1993程控数字用户自动电话交换机通用技术条件
14.
It likes that circuit switch is the kernel of circuit switch network.
等同与程控交换是电路交换网络的核心。
15.
The calling subscriber's number display using the telephone sets with the display telephone numbers function not only traced the malicious call but also became a new service of SPC telephone exchanges.
说明了利用能显示主叫信息的话机来显示主叫信息，是程控电话交换机的一种新业务。
16.
Operating System of GC-01 Stored Program Control Telex Exchange
GC—01程控用户电报交换机操作系统
17.
The Application of Program-Controlled Exchange Technology in Telecommunication Service Network;
程控交换技术在电信业务网中的应用
18.
The Application of Program-Controlled Exchange Technology in Telecommunication Service Networks;
电信业务网络中程控交换技术的应用