Nortel Networks NN43001-122 CS 1000 set configuration, SIP provisioning guidelines, Assumptions

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14Communications 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

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Contents NN43001-122 Legal Notice Contents Copyright 2008 Nortel Networks Other Revision HistoryNew in this Release Contents Getting help from the Nortel web siteGetting help through a Nortel distributor or reseller Overview Copyright 2008 Nortel Networks Overview Operational Considerations Overview Assumptions CS 1000 set configurationSIP provisioning guidelines CCS Copyright 2008 Nortel Networks Disable a user mailbox Step Action Copyright 2008 Nortel Networks Copyright 2008 Nortel Networks Copyright 2008 Nortel Networks End Copyright 2008 Nortel Networks End Configure the Microsoft Exchange Unified Messaging Dial Plan Dial Plan General tab Dial Plan Subscriber Access tab Copyright 2008 Nortel Networks Configuration screen for new UM IP Gateway Configure the Operator Assistance feature Attendant properties window appears Copyright 2008 Nortel Networks Install Geomant Message Waiting Indicator MWI application Configure Geomant Message Waiting Indicator MWI application Installation of Multiple MWI applicationsGeomant MWI Service Web SIP Gateway configuration screen Unified Messaging User Properties screen Additional notes on configuring CS1000 for MWI Navigate to the Nodes Servers, Media Cards Copyright 2008 Nortel Networks Add new Subscriber Access Number information Add new Auto Attendant number information Configure information for the MWI Application DN Select MWI Dial Plan typeVoice mail softkeys configuration Disable a user mailbox Enable the user mailbox after disabling Remove a user mailbox Procedure Removing a user mailbox Remove a dial plan Disable Operator Assistance feature Remove Operator Assistance feature Disable MWI service for a user phone set Disable MWI service for a user phone set End Page Nortel Communication Server