Telephone User's Manual
498 CLASS: Calling Number and Name Delivery
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If the CLID entry of the originating DN specifies that it is to be identified
by its local number (CLASS_FMT = LCL in LD 15), then the local public
number associated with the originating DN is delivered, (if the CLID is
longer than 10 digits, only the first 10 is delivered). The local public
number is composed by the ISDN CLID Enhancements feature, which
forms the calling number by concatenating the customer defined home
local number (HLCL in LD 15) and the originating DN.
•
If the CLID entry of the originating DN specifies that it is to be identified
by its national number (CLASS_FMT = NTN in LD 15), then the national
public number associated with the originating DN is delivered (if the
number is longer than 10 digits, only the first 10 is delivered). The
national public number is composed by the ISDN CLID Enhancements
feature, which forms the calling number by concatenating the customer
defined home national number (entered using prompt HNTN and HLCL
in LD 15) and the originating DN.
•
If the originating set is assigned with an undefined CLID entry, then the
originating DN is delivered.
For a station (attendant)-to-CLASS set call, the calling number delivered to
the CLASS set is one of the following:
•
If CLID entry 0 specifies that it is to be identified by its internal DN
(CLASS_FMT = DN in LD 15), then the customer’s attendant DN (the
ATDN in LD 15) is delivered.
•
If CLID entry 0 specifies that it is to be identified by its local number
(CLASS_FMT = LCL in LD 15), then the local public number associated
with the customer’s Listed Directory Number 0 (the LDN0 in LD 15)
is delivered (if the number is longer than 10 digits, only the first 10 is
delivered).
•
If CLID entry 0 specifies that it is to be identified by its national number
(CLASS_FMT = NTN in LD 15), then the national public number
associated with the customer’s Listed Directory Number 0 (the LDN0
DN in LD Overlay) is delivered (if the number is longer than 10 digits,
only the first 10 is delivered).
•
If CLID entry 0 is not configured, then the customer’s attendant DN
(the ATDN in LD Overlay) is delivered. The calling number for calls
originated by an attendant is composed using CLID entry 0, as per the
ISDN CLID Enhancements feature.
Calling name information
For a non-ISDN trunk-to-CLASS set call, the calling name unknown indicator
is delivered to the CLASS set in place of the calling name. The calling name
unknown indicator, per Bellcore CLASS CND delivery standard, refers to
the ASCI "O" that is sent in place of the calling name.
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008
Copyright © 1994–2008, Nortel Networks
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