租用线路

虚拟专用网（VPN）代替传统拨号网络和租用线路实现企业与企业之间，企业的分支机构之间以及企业与其雇员之间的信息交换是当前的一种趋势，而隧道技术是实现VPN的关键技术。

It is a trend of virtual private networks ( VPNs ) to be used for information exchange between enterprises , branches of enterprises and enterprises and their employees instead of traditional dial networks and leased lines . The tunneling technique is the key technique to implement VPN .

提出了在租用线路上利用语音数据复接设备通过一个E1传输通道，进行时隙的分拆和复用，提供以太网口、有反极性计费功能和来电显示功能的电话和一个RS232的数据通道。

This paper put forward an idea that use a voice data multiplexing equipment pulls through the EI transmission channels over the leased lines for splitting and re-used slot to provide Ethernet interface , anti-polar accounting functions , calling number display functions and RS232 data channel .

使用现有网络结构，削减租用线路和微波站点的需求。

Uses existing network infrastructure eliminating the need for leased lines and microwave sites .

而且你还要租用电话线路。

And you have to rent the telephone line .

在租用的电话线路上增加设备以改善数据传输线路的特性。

The addition of equipment to a leased telephone line to improve its data-handling characteristics .

许多跨国公司向电讯营办商租用国际专用线路，建立内部通讯网络。

Many multinational companies have their own internal communications networks through obtaining international private leased circuits from telecommunications operators .

与目前流行的其他自动集抄系统相比，该系统无需专门铺设线路或租用电信公司线路，节约了成本；

Compared with other automatic meter reading system , this system does not need lay new cables or rent service from telecommunication service provider , thus the cost can be reduced .