Avaya BCM50 Konfigurationsanleitung PDF herunterladen (Seite 48)

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48 Chapter 2 System telephony networking overview

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Figure 7 Call loop on system without ICCL

Trunk Route Optimization

Trunk Route Optimization (TRO) finds the most direct route through the network to send a call

between nodes. This function occurs during the initial alerting phase of a call.

To set BCM configurations:

• Select Configuration > Dialing Plan > Private Network, and select the check box beside

TRO.

• Configure call routing for all optimal routes.

• Configure call forward (All Calls, No Answer, Busy) or Selective Line Redirection to use the

optimal routes.

This feature avoids the following situation: A call originating from a BCM system may be

networked to a Meridian system, which, in turn, is networked to another Meridian system, which is

the destination for the call. If the call routes through the first Meridian (M1) to reach the second

Meridian (M2), two trunks are required for the call. An optimal choice is a straight connection to

M2. This finds these connections and overrides the less-efficient setup.

Figure 8 shows two call paths. The first route, through the Meridian, demonstrates how a call

might route if TRO is not active. The second route, that bypasses the Meridian, demonstrates how

TRO selects the optimum routing for a call.

BCM

Meridian 1

Telephone A

BCM

Meridian 1

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