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Configure the Maximum Call Duration on a UM Dial Plan

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Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

You can specify the maximum number of minutes that an incoming call can be connected to the system without being transferred to a valid extension number before the call is ended. For most organizations, this value should be set to the default: 30 minutes. This setting applies to all calls, including incoming subscriber access calls, voice calls internal to your organization, and voice and fax calls placed from outside your organization.

This value can be set to a number from 10 through 120. Setting this value too low can cause incoming calls to be disconnected before they're completed. For example, if your organization receives many large fax messages, you may want to consider increasing this value from the default so that all the pages of fax messages are received.

Looking for other management tasks related to UM dial plans? Check out Managing UM Dial Plans.

Prerequisites

A UM dial plan has been created. For detailed steps, see Create a UM Dial Plan.

Use the EMC to configure the maximum call duration

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM dial plans" entry in the Unified Messaging Permissions topic.

  1. In the console tree, navigate to Organization Configuration > Unified Messaging.

  2. In the work pane, on the UM Dial Plans tab, select the UM dial plan you want to manage, and then click Properties in the action pane.

  3. On the dial plan Properties page, click the Settings tab.

  4. Under Maximum call duration (min), specify the maximum number of minutes that an incoming call can be connected to the system without being transferred to a valid extension before the call is ended.

  5. Click OK to save your changes.

Use the Shell to configure the maximum call duration

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM dial plans" entry in the Unified Messaging Permissions topic.

This example sets the maximum call duration to 10 minutes on a UM dial plan named MyUMDialPlan.

Set-UMDialPlan -identity MyUMDialPlan -MaxCallDuration 10

For more information about syntax and parameters, see Set-UMDialplan.

Other Tasks

After you configure the maximum call duration on a UM dial plan, you may also want to:

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