Nortel 1000 Features And Services Fundamentals page 566

566 Conference
Dial Intercom
If an analog (500/2500 type) telephone is part of a Dial Intercom Group
(DIG), the user of the telephone can conference only with another user
whose telephone is within the same Dial Intercom Group (DIG).
Digital Private Signaling System 1 (DPNSS1) Executive Intrusion
Executive Intrusion is denied if the requested party is established in a local
conference, or if the requested party is involved in an enquiry call. These
limitations may apply to the unrequested party depending on the connection
being used between the requested and unrequested parties.
End-to-End Signaling
The attendant console and the telephone receiving Attendant End-to-End
Signaling cannot both activate End-to-End Signaling simultaneously.
Group Call
Neither Call Transfer nor Conference can be initiated during a Group Call. If
an analog (500/2500 type) telephone user flashes the switchhook during an
established Group Call, the user is dropped from the call.
Held Call Clearing
Active Conference calls are cleared by an on-hook or Release key action.
Conference calls being held are cleared by an on-hook action only, and not
by a Release key action. In either case, all other parties on the conference
remain connected.
Hot Line
A Flexible Hot Line (non-enhanced) telephone cannot place conference
calls, but an Enhanced Hot Line telephone can activate the conference
feature. If the Hot Line restriction option is set, the conference call can
terminate only to other Hot Line telephones. If the restriction option is not
set, the conference call can terminate to any type of telephone.
ISDN QSIG/EuroISDN Call Completion
A Call Completion request cannot be made on a conference call attempt.
ISDN QSIG Name Display
An incoming QSIG call with name display presentation allowed is
conferenced locally. When a conferee drops out of the conference, calling
party's name information is displayed and is passed on to another conferee.
Name display information remains until the last local set remains on the call.
With presentation restricted, the calling party's name information is not
displayed as conferees leave the call.
Copyright © 1994–2008, Nortel Networks
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Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008