Appendices
Ordering ISDN Without IOCs
This section guides you and your telephone company in specifying and obtaining ISDN service when IOCs are not used. To support most ISDN TA features, your telephone service must meet certain requirements. These requirements are described in the following sections. Some features may be added or deleted, depending on your actual data service needs and availability in your area. Before ordering, talk to your telephone company about which of the services listed on the following pages are provided in your area.
The following form was created for you to complete and fax to your telephone company to request the proper ISDN line for use with your ISDN TA module.
Name: ____________________________________________________
Address:
City: ________________________________ State:________________ ZIP Code:
Daytime Telephone Number: ______________
1.Request an ISDN BRI (Basic Rate Interface) line with:
•
•2B1Q Line Coding.
2.Choose one of the following:
___ 2B+D Service (supports up to 128K bps), or
___ 1 B+D Service (supports up to 64K bps).
3.Indicate the ISDN Switch Type and Software Protocol you will be using:
___ AT&T 5ESS, with:
___ Custom,
___ 5E6 and later software, or
___ NI1 (National
___ Northern Telecom
___
___ National
___ Siemens EWSD with National
4.Request that the ISDN line you are ordering allocates one dynamic TEI (Terminal Endpoint Identifier) per phone number.
5.Order specific services for your particular ISDN Switch:
5a. AT&T 5ESS: request a line with:
Feature: Value
B1 Service: DMD (On Demand)
B2 Service: DMD (only if 2B+D ordered)
Data Line Class: PM
Maximum B Channels: 2 (if 2B+D) or 1 (if 1 B+D)
Circuit Switched Voice (CSV) Bearer Channels: Any
CSV Calls: 1 (recommended for test purposes)
Number of Circuit Switched Data (CSD) Bearer Channels: Any
Number of CSD Calls: 2 (if 2B+D ordered), or 1 (if 1 B+D ordered)
Terminal Type: Type A Turn these features OFF:
Packet Mode Data
MultiLine Hunt
Multiple Call Appearances
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