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76 Configuring Enterprise Edge Resources

Enterprise Edge 2.0 Programming Operations Guide P0911588 Issue 01

Timing Master

The EE-DTM does not obtain timing from the network, but transmits the systems

timing to equipment connected to it.

Call-by-call service selection

By default, incoming calls are routed based on the Called Party Number. The last

‘N’ digits of the calledparty number are usedas Received Digits to find a targetline

(where ‘N’ is the Received Number Length).

For example, the incoming calling party number is 800-555-1234. The received

digit number length is 4, and the result is 1234. These last four digits are used to

route the call.

Depending on the protocol and the service, alternate routing maps may be defined.

1. To change the incoming call routing for a service, select a different service

under Protocol:, Call by Call Routing, FX:

The first applicable service for the given protocol is displayed. In this

example, the service is FX.

Changing clock source may disconnect calls.

Changing the clock source for your system may cause your system to restart

itself, resulting in dropped calls. Choose a suitable time to change the clock

source and use the Page feature to inform users of possible service disruptions.

Tips

In most T1 network configurations, you need one EE-DTM configured as PRI

to act as a primary reference. The only application where you might not have a

PRI EE-DTM designated as a primary reference is in a network where your

Enterprise Edge system is connected back-to-back with another switch using a

T1 link or PRI link. If the other switch is loop-timed to your Enterprise Edge

system, your EE-DTM configured as PRI can be designated as a timing master.

If your Enterprise Edge system has two EE-DTMs, you cannot assign both

EE-DTMs as primary reference or both EE-DTMs as secondary reference.

You can only have one primary reference and one secondary reference per

system. You can have a T1 or PRI(T1) or PRI(E1) or BRI as clock source.

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Avaya BCM 2.0 Programming Guia do Utilizador Página 76