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Microsoft® Exchange Server 2010: Best Practices
book

Microsoft® Exchange Server 2010: Best Practices

by Siegfried Jagott, Joel Stidley
July 2010
Intermediate to advanced content levelIntermediate to advanced
880 pages
32h 53m
English
Microsoft Press
Content preview from Microsoft® Exchange Server 2010: Best Practices

Exchange Unified Messaging Architecture

The Unified Messaging server role includes connections to different components, such as the Client Access or Mailbox server roles, and also to IP PBX or IP gateways, as shown in Figure 9-1.

Generally, the UM server role communicates to an IP PBX or to a PBX using an IP gateway with the Voice over IP protocols (VoIP), Session Initiation Protocol (SIP), and Real-time Transport Protocol (RTP).

The UM server role uses MAPI protocol to communicate with Client Access and Mailbox server roles, and SMTP protocol to send voice mail messages to the destination mailbox via the Hub Transport server. For Outlook Voice Access the UM server role accesses the mailbox using MAPI protocol to have full access to all items in ...

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Publisher Resources

ISBN: 9780735649149Purchase book