Avaya BCM 4.0 Networking Guia de Configuração descarregar pdf (Página 65)

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Chapter 2 System telephony networking overview 65

BCM 4.0 Networking Configuration Guide

Certain situations result in Route Optimization not taking place. For example, calls that are using

Hold, Parking or Camp features do not undergo Route Optimization, and if a Route Optimization

call undergoes Diversion, the Route Optimization is dropped.

Setting Route Optimization

There is no system programming required for the feature when BCM is working as a terminating

PBX system. However, BCM must have a private access code programmed that maps to a valid

destination code or line pool code on DPNSS lines. Further, Allow Redirect must be selected.

Loop avoidance

Errors in the configuration of a network may make it possible for a call to be misrouted, and arrive

at a PBX system through which it has already passed. This would continue, causing a loop which

would eventually use up all of the available channels. The Loop Avoidance service permits

counting of DPNSS 1 transit PBXs and rejecting a call when the count exceeds a predetermined

limit.

Private networking with DPNSS

(International only)

DPNSS supports the Universal Dialing Plan (UDP), an international standard for sending and

receiving private numbers over networks. The UDP requires that a dialing number include the

following:

• a Private Access Code, programmed into the system as part of the destination code table to

prevent conflicts with the internal numbering system. (Access Codes)

• a Home Location Code (HLC) assigned to each PBX system, and configured as part of the

destination code (a maximum of seven digits). For each HLC, a destination code must be

programmed in the system. (Configuration > Telephony > Dialing Plan > Private

Networking)

• a Directory Number (DN) assigned to each extension as a line appearance. The DN appears as

the last string segment in a dialed number. In the number 244-1111, 1111 is the DN.

A typical Private Number, using a private access code and dialed from another site on the network,

appears below.

In this networking example, a private network is formed when several systems are connected

through a Meridian 1 and a terminating BCM system. Each site has its own HLC and a range of

DNs. Figure 11 illustrates this example.

Private Access Code + Home Location Code + Directory Number = Calling Party Number

6 + 848 + 2222 = 6-848-2222

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 757 758

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Avaya BCM 4.0 Networking Guia de Configuração Página 65

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