￿￿￿ISDN Switch Types

The following table summarizes the different type of switch types supported by the Prestige and some related information on the switch types (number of phone numbers and SPID numbers). It should be noted that the information in this table is for the common case and is recommended for those cases. Exceptions still exist to these figures. You can locate the provisioning information for the appropriate North American switch type in the next sections.

Switch Type

Geography

No. of Phone #s

No. of SPIDs

AT&T 5ESS NI-1

North American

2

2

AT&T 5ESS Point to Point

North American

1

0

AT&T 5ESS Multipoint

North American

2

2

Northern Telecom NI-1

North American

2

2

Northern Telecom Custom

North American

2

2

DSS1

Europe, Asia

2

N/A

1TR6

Germany

2

N/A

Provisioning For U.S. Switches

For the U.S., the Prestige (both the U and S/T interface) has been approved by Bellcore and has the IOC (ISDN Ordering Code) “S” Capability, EZ-ISDN 1. Provide this information to your telephone company when you order your ISDN line. If your telephone company is not familiar with this IOC, then ask them what kind of switch you will be connected to and use the information under each switch type to order your ISDN line.

Provisioning For the AT&T 5ESS Switches

The AT&T 5ESS switch type supports three types of ISDN service. These are: National ISDN-1 (NI-1), Multipoint, and Point-to-Point.

ISDN Switch Types 137

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ZyXEL Communications 2864I Isdn Switch Types, Provisioning For U.S. Switches, Provisioning For the AT&T 5ESS Switches
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2864I specifications

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