USER’S GUIDE

If the AT&T 5ESS switch type is available, the ISDN services available will be one of the following:

NI-1

Custom Point-to-Point

If Northern Telecom DMS-100 switch type is available, the ISDN services available will be one of the following:

NI-1

DMS-100 Custom

3.Refer to section in this document that applies to your service type.

4.Order your ISDN service. If available, ask for two telephone numbers and two SPIDs for your ISDN line.

5.If necessary, provide your service provider with the appropriate provisioning settings in this document.

6.After installation, make sure you have the following information:

switch type

telephone numbers

SPIDs

The following sections provide provisioning settings for your specific service type.

PROVISIONING SETTINGS FOR AT&T 5ESS SWITCHES

The ISDN services supported by AT&T 5ESS switches are as follows (in order of preference of usage):

1.NI-1

2.AT&T Custom Point-to-Point

The sections below provide the settings for each 5ESS service type. Note that your service provider may not be able to offer all of the features listed.

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Enterasys Networks CSX6000, CSX5500, CSX7000 Provisioning Settings for AT&T 5ESS Switches, NI-1 AT&T Custom Point-to-Point