Send the network key to all joining devices.
Send the network key to all rejoining devices.
Disallow joins and rejoins.
Delay sending the network key to a new joining device.
Do nothing for unsecured rejoins.
Allow joins if there is an entry in the transient key table.
Send the network key in the clear.
This is the policy decision bitmask that controls the trust center decision strategies. The bitmask is modified and extracted from the EzspDecisionId for supporting bitmask operations. uint16_t