call control function meaning in English

呼叫控制功能

Access and call control function accf
接入和呼叫控制功能
The research was development form two sides , the project and software ’ s realization of ccf ( call control function ) of the cst is the one , and the other is function and software implementation of the sip - t agent module
重点介绍其核心模块呼叫控制处理部分ccf的设计方案和软件实现。最后详细介绍了cst相关协议代理模块中sip - t代理模块的功能和软件实现。
And the key technology of ngn , softswitch has been the thesis being heavily researched in current stage , with features of separated call control function and easily supporting new services , softswitch is the basic technology of merging different networks
而软交换作为下一代网络的核心技术,是目前业界研究的热门课题之一,软交换是实现网络融合的基础,其特点是具有独立的呼叫控制功能,并能方便的引入新业务。