Nortel Networks NN43001-122 - Manual (Page 14)

14 Communications Server 1000 with Microsoft Exchange Server 2007 Unified Messaging
•
Voice mail messages that have been listened to will continue to
register as a new message until the next option is used.
•
When a user dials the Auto Attendant number (with speech enabled)
and does not provide a name, Auto Attendant repeats the prompt for
a name three times. After the third prompt, the call is forwarded to the
operator automatically.
CS 1000 set configuration
This section details appropriate set configuration to provide operation
for Communications Server 1000 with Microsoft Exchange Server 2007
Unified Messaging.
Required class of service configurations are as follows:
• CFXA (Call Forward External): Allowed
• FNA (Call Forward No Answer): Allowed
• HTA (Hunting): Allowed
•
CLS (Trunk: Call Access Restriction): Unresricted
• MWA (Message Waiting Indicator): Allowed
Both FDN (Call Forward No Answer DN) and Hunt (Hunt DN) must be
set to the value for the configured Subscriber Access DN.
SIP provisioning guidelines
This section details the SIP provisioning requirements for operations
on Communications Server 1000 with Microsoft Exchange Server 2007
Unified Messaging.
Assumptions
• Call model and traffic rate calculations are based on the assumptions
provided by Microsoft for a typical heavy user, as described at the
following URL: http://msexchangeteam.com/archive/2006/08/14/42
8677.aspx
•
A single Microsoft Unified Messaging server can have up to 3000
heavy users associated with it.
• All Microsoft Unified Messaging messages are received by telephone
using an SIP Trunk, and not using Microsoft Exchange Client (which
does not use an SIP Trunk).
• The use of Auto Attendant for Thru-Dial and other custom voice menu
services makes the following assumptions:
Nortel Communication Server 1000
Communication Server 1000 with Microsoft Exchange Server 2007 Unified Messaging Fundamentals
NN43001-122 02.04
24 October 2008
Copyright © 2008 Nortel Networks
.