The Maximum Channel Settings is used to limit the number of channels that the Service Directory Number (SDN) can use at

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The Maximum Channel Settings is used to limit the number of channels that the Service Directory Number (SDN) can use at any given time.
Which is a true statement about channel settings in the SDN table?

A. If you set the minimum number of channels allocated to a service at zero, no channels are available for this service.
B. To limit how many channels an application can use simultaneously to a specific number, add a check mark in the Use Default maximum box.
C. If you want to guarantee that a service has access to a certain number of channels at any one time, type this number in the Minimum Channels box.
D. To allow dynamic channel allocation based on available resources for a voice media type ' application, enter the number 1 in the Minimum Channels box.