Nortel 1000 Features And Services Fundamentals page 287

DN (FDN) or Hunt DN, and "no answer" external calls are routed for CFNA
treatment to the External Flexible CFNA DN (EFD) or External Hunt DN
(EHT).
Call Forward/Hunt Override via Flexible Feature Code
There is no interaction with the Call Waiting treatment component of the
Call Waiting Redirection feature. However, Call Forward/Hunt Override via
Flexible Feature Code does override CFNA, and thus the CFNA treatment
given to unanswered Call Waiting calls by the Call Waiting Redirection
feature is overridden by the Call Forward/Hunt Override via Flexible Feature
Code (CFHO) feature. The incoming call will continue to be given Call
Waiting treatment as if the Call Waiting Redirection feature is disabled when
the CFHO feature is enabled by the calling party.
Call Forward No Answer
Per existing Call Forward No Answer (CFNA) feature operation, the call
redirection parameters for CFNA are obtained from the originally dialed
DN for redirected calls.
Existing Network CFNA treatment is applied to calls receiving Call Waiting
treatment on sets with CFNA and the Call Waiting Redirection feature
enabled if the Call Waiting call is not answered before the expiration of the
CFNA timer and the CFNA DN is on another node.
Call Forward No Answer, Second Level
The existing Second Level Call Forward No Answer treatment is applicable
to Call Waiting calls redirected by CFNA (first level) with the Call Waiting
Redirection feature which are still not answered at the last rung DN.
Call Redirection by Time of Day
When Call Forward No Answer occurs on a waiting call, the redirected
Directory Number used depends on the time of day if Call Redirection by
Time of Day (CRTOD) is activated.
Call Pickup Network Wide
A call that is redirected by the Call Waiting Redirection feature to the active
set's Call Forward No Answer DN may be picked up.
Call Waiting
The option selected for Call Waiting Redirection treatment also applies to
calls given Internal Call Waiting treatment.
Camp-On
There is no interaction as Call Waiting and Camp-On are mutually exclusive.
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
Feature interactions 287