Lucent Technologies 8.2

DEFINITY ECS Release 8.2

Administrator’s Guide

555-233-506 Issue 1

April 2000

Managing data calls

397Data Call Setup

ISDN-BRI data modules

Data-terminal dialing

A user can set up and disconnect data calls directly from a data terminal without

using a telephone as follows:

1. The user presses ENTER a few times. If the CMD: prompt does not appear,

the user presses BREAK A + T at the same time, and then presses ENTER.

2. At the CMD: prompt, the user types and presses ENTER.

3. To disconnect, the user enters +++. At the CMD: prompt, the user types

end and presses ENTER.

Telephone dialing

To make a data call, an ISDN-BRI phone user presses the data button on the

terminal, enters the number on the dial pad, and then presses the data butto n agai n.

The following data functions are not available on ISDN-BRI phones:

■One-Button Transfer to Data

■Return-to-Voice

■Data Call Preindication

■Voice-Call Transfer to Data and Data-Call Transfer to Voice

The system handles all presently defined BRI bearer data-call requests. Some

capabilities that are not supported by Lucent terminals are provided by

non-Lucent terminals. If the switch does not support a capability, a proper cause

value returns to the terminal.

BRI terminals receive a cause or reason code that identifies why a call is being

cleared. The BRI data module converts certain cause values to text messages for

display.

In a passive-bus multipoint configuration, the system s uppor t s tw o BRI endpoints

per port, thus doubling the capacity of the BRI circuit pack. When you change the

configuration of a BRI from point-to-point to multipoint, the original endpoint

does not need to reinitialize. Only endpoints that support service profile identifier

(SPID) initialization can be administered in a multipoint configuration.

Analog modems

When a telephone user places a data call with a modem, the user dials the

data-origination access code assigned in the system before dialing the endpoint.