490 CIS Toll Dial Tone Detection
Figure 12
Direct toll call with dial tone detection
Operating parameters
This feature requires the CIS DTI2 card NTCG01AC for Large Systems.
Card NTCG02AC is used in Small Systems. These CIS DTI2 cards have
increased functionality that allows detection of the CIS toll dial tone.
Feature interactions

CIS 2 Mbit Digital Trunk Interface (CIS DTI2)

CIS DTD feature improves the reliability of outgoing CIS DTI2 toll calls by
adding the ability to use the dial tone provided by the CIS CO as criteria to
start out-pulsing the decadic digits to the toll CIS CO.
Feature packaging
No new package is introduced for this feature. The following packages
are required:
2 Mbit Digital Trunk Interface (DTI2) package 129
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
.