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IP Office Product Description
IP Office 4.2
© 2008 AVAYA All rights reserved.
Page 114
Issue 18.b.- (08 July 2008)
Call Barring
Feature
· It is possible to prevent or allow calls to certain numbers such as international numbers or premium rate
numbers for individual users or on a system wide basis.
Benefit
· Restrict the dialing of specific numbers or types of numbers system wide.
· Restrict certain users from dialing specific numbers or types of numbers.
Description
IP Office supports call barring at many levels. Short codes can be used at the system or individual user level to
block the external routing of specific numbers or types of numbers. Typically the barring short codes are set to
return busy tone, however they could route the call to an alternate number or to a Voicemail service that
returns a 'barred dialing message'.
For users, the short codes can be allocated to a User Rights template. This template is then applied to the
Users whose calls need restriction. In addition to barring the dialling of certain numbers, IP Office can be set to
bar the forwarding of calls to external numbers on a per user basis.
Alternate Route Selection (ARS)
IP Office supports Alternate Route Selection, which is more flexible and easier to configure than Least Cost
Routing (LCR). If a primary trunk is unavailable, then ARS provides automatic fallback to an available trunk
(e.g., analog trunk fallback if a T1 or SIP trunk fails, or use PSTN for SCN fallback).
By configuring ARS, calls may be routed via the optimum carrier. Time profiles can also be used to allow
customers to take advantage of cheaper rates or better quality at specific times of day.
Multiple carriers are supported. For example, local calls are to go through one carrier between specific hours
and international calls through an alternative carrier. Carrier selection using 2-stage call set up via in-band
DTMF is possible. It is possible to assign specific routes on a per user basis, e.g. only allow expensive routes to
be used by critical staff.
Note: Existing LCR configurations are automatically converted to ARS when upgrading to 4.0
Maximum Call Length
This feature allows the system to control the maximum duration of any call based on the dialed number. This
could be used for controlling calls to cellular networks or data calls made over the public network to ISPs.
PIN Restricted Calling
See Account Codes .
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