ISDN

This Recommendation is one of a set of Recommendations that describe the Broadband ISDN User Part.

本建议是一组描述宽带ISDN用户部分建议中的一个。

Actually, it was developed under the concept of providing a wireless front-end of an ISDN network.

事实上，以此概念也发展出无线前端综合业务网这一技术。

In Europe BRI is the dominant voice carrier, but ISDN FAX machines have never been widely accepted.

酶是在欧洲占主导地位的电信级，但综合业务数字网传真机从来没有被广泛接受。

However, ISDN did not prove to be a blockbuster.

然而，ISDN没有证明它是一种威力无比的东西。

If the router is modular it may be possible to upgrade to a native ISDN interface, providing it has an available slot.

但如果这路由器是模组化的，且有空置的槽位，它便可能被升级成拥有原装的ISDN介面了。

Typically, two or more ISDN lines or modem links are bundled together for greater bandwidth.

通常，将两条或更多条ISDN线或调制解调器链路聚合在一起，以形成更大的带宽。

Attributes are used in the characterization of services and network capabilities provided by an ISDN.

属性用来表示由ISDN所提供的业务和网络能力的特性。

ISDN however, uses a separate channel for control information, the D channel. This is called out-of-band signaling.

然而，ISDN则利用一条独立的通道（即D通道）来传输控制资讯，就称为频带外传讯。

ISDN provides access to a wide range of services, each of which must be supported by a minimum level of network capabilities.

ISDN提供的接入范围甚为广泛，每一种业务都应得到最少层次网络能力的支持。

Well. Those are only the major benefits of the ISDN . It has many more other benefits both to the users and the manufacturers.

不过，这些只是ISDN的主要优越性，无论对用户还是对制造商，ISDN都还有许多其它的益处。

The ISDN standards are a set of protocols that encompass digital telephony and data communications.

这些ISDN标准是一套包含数位电话原理及资料通讯的协定。

The direct cause is the emerging aTM-based BISDN and the advent of aDSL, the shortened form of asymmetric digital subscriber loop.

直接的原因则是最近问世的aTM型宽带ISDN和不对称数字用户回路。

Meanwhile, Integrated Services Digital Network (ISDN) will also be increasing rapidly.

同时，综合业务数字网（ISDN）将继续保持快速的增长。

XDSL is an end-to-end digital technology like ISDN, so there is no converting and re converting signals between digital and analog.

xdsl是像isdn（综合服务数字网），一样的端到端数字技术因此不需要在数字与模拟方式之间来回转换信号。

What suddenly propelled ISDN back into the limelight is the growth of the internet and the rapid acceleration of telecommuting.

因特网的成长和在家办公人数的急骤增加，突然把isdn推到了人们关注的中心。

ISDN standards define two main channel types, each with a different transmission rate.

ISDN标准共定立两项主要的通道种类，它们分别有不同的传输速度。

The switch further allows for dynamic resource management for dynamically assigning modem and ISDN resources to an incoming call.

交换机还允许动态资源管理向入局呼叫动态分配调制解调器和ISDN资源；

This method is not used on the public SIP trunk. On public SIP trunk, the transfer is managed like for ISDN trunk.

公共SIP中继不使用这个方法，在公共SIP中继上，转接的管理就像在ISDN中继上一样。

Completion of Calls on No Reply (CCNR) is an ISDN supplementary service offered to the calling user.

无应答时呼叫的完成（CCNR）是一种向主叫用户提供的ISDN补充业务。

ISDN capabilities are currently being introduced into national and international networks.

目前国内和国际网络正在引入ISDN性能。