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
Nortel Communication Server 1000
Communication Server 1000 with Microsoft Exchange Server 2007 Unified Messaging Fundamentals
24 October 2008
