[A41] Your company has two offices. The offices are located in Amsterdam and Seattle. The company has the phone number ranges shown in the following table.
The range used for each office is shown in the following table.
You plan to implement Lync Server 2013 and include an unassigned number range for each office. You need to identify which unassigned number ranges must be included. The solution must use the minimum amount of administrative effort when users are added to or removed from the infrastructure. Which number range should you use for each unassigned number range?
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