Before you can run the Exchange UM Test Phone application, you must set up and configure the client computer by installing the appropriate audio devices, audio drivers, speakers, and a microphone. The Exchange UM Test Phone application streams the audio to the audio devices that are configured on the client computer from the Unified Messaging server. Verify that these devices are connected and working correctly before you run the Exchange UM Test Phone application on a client computer.
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If you are using a Unified Messaging server with multiple network adapters or you have multiple IP addresses bound to a single network adapter and you are experiencing intermittent problems, you may have to change the binding order of the network adapters or change the order of the IP addresses to correct these issues.
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To perform this procedure, the account you use must be delegated the Exchange Organization Administrator role.
For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.
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When you are testing the functionality of a 64-bit Unified Messaging server, you must copy the required files from a 64-bit Unified Messaging server. However, you can only test the functionality of a 64-bit Unified Messaging server from a 64-bit client computer or a server that is not running the Unified Messaging role.
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