Xblue Networks X-50 Installation Manual page 184

Voice
Use the restriction rules to establish dialing privileges for the 7 classes of service.
From - Enter up to 13 digits that will be used as the beginning of the evaluation number.
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To - Enter up to 13 digits that will be used as the ending of the evaluation number.
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Trunk Access (Yes/No) - This allows or deny's the call to have access to a Trunk, when the digits are
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dialed.
COS - Class of Service - Select the Class of Service that will be applied to a call that matches the entry.
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