Overview 11
Multiple Microsoft Exchange Unified Messaging servers on a single network
Multiple Servers can be configured for a single network to ensure the effective handling of potential issues caused by challenges of:
•Capacity: Each Microsoft Exchange Unified Messaging Server is capable of supporting a maximum of 200 total concurrent (combination of inbound and outbound) calls. In larger customer networks that need to support a higher volume of concurrent calls, additional Microsoft Exchange Unified Messaging Servers can be configured in the same network so that users can be
•Redundancy: An additional Microsoft Exchange Unified Messaging Server can be configured as a redundant server in a network by utilizing the Least Cost Routing Mechanism on the Network Routing Service (NRS) - configuring an additional Microsoft Exchange Unified Messaging Server provides a greater measure of fault tolerance for the services provided, allowing a continuation of those services in the event of system failure
•Geographical location: If network systems are located across multiple geographic locations, Microsoft Exchange Unified Messaging Servers can be implemented in such a way that they are both local and specific to each location. Configuring multiple servers in this way would
Nortel Communication Server 1000
Communication Server 1000 with Microsoft Exchange Server 2007 Unified Messaging Fundamentals
24 October 2008
