Avaya Configuring Dial Services Manual do Utilizador descarregar pdf (Página 112)

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101

Configuring Dial Services

3-22

308621-14.00 Rev 00

For example, to create an outgoing phone number for a demand or backup circuit,

enter:

demand-circuit/circuit-to-boston# out-phone-number 9786665432

backup-circuit/8/1/1# out-phone-number 9786665432

You can also include a subaddress/extension to further identify the remote router.

For ISDN calls, this subaddress is useful when there are several routers at a

destination site, but the ISDN provider assigns only one phone number to the

destination. An incoming call must specify the number and subaddress to reach a

specific router.

To configure an extension, navigate to the out-phone-number prompt and enter:

subaddress-extension

string

is a numeric string up to

25 characters. Do not enter space, special, or

alphabetic characters in the extension.

For example, to configure an extension for the outgoing phone number,

9786665432, enter:

out-phone-number/backup/8/1/1/9786665432# subaddress-extension 456

For ISDN configurations, go to the next section; otherwise, go to

“Setting Up the Caller Resolution Table

” on page 3-24.

Creating the Local Phone List (ISDN Only)

A router uses its local phone number for the following purposes:

• To identify itself when it places a call to a remote router. The local router

includes its own phone number in the ISDN outgoing call setup message.

• To identify itself to the ISDN switch so that the switch can activate the circuit.

In the United States and Canada, the Service Provider ID (SPID) is also

required.

• To ensure that an incoming call was received at the intended destination.

When the local router receives a call, it checks that the phone number in the

incoming call setup message is the same as its own local phone number.

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