Nortel 1000 Features And Services Fundamentals page 170

170 Call Forward, Internal Calls
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Non-internal calls are not affected by the Internal CFW feature.
Operating parameters
Call Forward All Calls takes precedence over Internal CFW, but is not a
prerequisite for the Internal CFW feature. For example, if a telephone is
already CFW All Calls active, it will not be allowed to activate Internal CFW
at the same time. Internal CFW can only be activated if CFW All Calls is
explicitly deactivated.
Also, if Internal CFW is active when trying to activate CFW All Calls, Internal
CFW will automatically be deactivated.
Internal CFW operation is consistent with the CFW All Calls feature.
Therefore, when a Meridian 1 proprietary telephone activates Internal CFW,
the following DNs iscome Internal CFW activated:
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Consequently, if all the appearances of a multiple appearance DN are on
non-primary Meridian 1 proprietary telephone keys, calls to these DNs will
never receive Internal CFW treatment.
When an analog (500/2500 type) telephone activates Internal CFW,
regardless of whether the DN is multiple appearance or not, Internal CFW
becomes activated.
Internal CFW supports only the voice line on digital telephones that have
both voice and data options.
On 2317 telephones, the CFW programming screen (invoked by pressing
the CFW softkey) is not displayed when the ICF key is pressed. Instead, the
screen displays the previously programmed ICF number.
Copyright © 1994–2008, Nortel Networks
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an attendant-originated call
a conference call
a Group Call feature initiated call
an incoming trunk call over a trunk route classified as internal (LD 16
where RCLS = INT), and
an incoming Integrated Services Digital Network (ISDN) trunk call using
private numbering.
the primary DN (key 0), regardless of whether the DN is multiple
appearance or not, and
all secondary DNs that are single appearance.
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008