认证、授权和计费(AAA)协议，如TACACS和RADIUS，当初是为了对终端访问服务和PPP拨号服务实行访问控制而开发的。
Authentication, Authorization and Accounting (AAA) protocols such as TACACS and RADIUS were initially deployed to provide dial-up PPP and terminal server access.
针对通信功能，研究了GPRS功能模块，相关的AT命令，以及拨号上网过程，实现移动终端与移动代理服务平台之间的连接通信。
Refer to communication, GPRS function framework, corresponding AT command and dial into internet process is discussed. And it is realized to communicate between mobile terminal and server.
否则的话路径安排将取决于拨号者地目标终端。
Otherwise the routing strategy depends on the caller's destination.
服务器使用数据库技术管理数据，铁路各应用部门可在终端上通过专线或拨号线路随时查询数据。
The server stores and sorts all data on database. Any department of railway administration can browse data anytime on the terminal by dialup or leased line to server.
智能电话终端是一个集录音留言、自动应答、个人信息管理和拨号上网等功能于一身的设备。
Intelligent telephone terminal is a multifunctional device that can record messages, automatically answer calls, manage personal information and connect to the Internet via dial - up line.
智能电话终端是一个集录音留言、自动应答、个人信息管理和拨号上网等功能于一身的设备。
Intelligent telephone terminal is a multifunctional device that can record messages, automatically answer calls, manage personal information and connect to the Internet via dial - up line.
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