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Collect Call Blocking

Contents This section contains information on the following topics:
"Feature description" (page 543)
"Operating parameters" (page 545)
"Feature interactions" (page 546)
"Feature packaging" (page 548)
"Feature implementation" (page 549)
"Feature operation" (page 553)
Feature description
In Brazil an automatic long distance collect call service called DDC is
available. The Collect Call Blocking feature enables a system administrator
to block DDC calls on incoming Direct Inward Dialing (DID) and Public
Exchange/Central Office trunks (analog or DTI2). Under the following
conditions, the system sends a special answer signal to the Central Office
to indicate to the Central Office that collect calls cannot be accepted:
•The Collect Call Blocking (CCB) package 290 is enabled
•The incoming route has CCB enabled using the CCB prompt in the
Route Data Block, and
•The call is answered by a CCB user (that is, Collect Call Blocking
Allowed Class of Service or option).
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
.