What do telecommunications companies legally have to do to assist law enforcement under CALEA?

a

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$)$

$$Make sure that in the event of an information request by law enforcement, the company has the necessary technology and infrastructure to honor the request.

b

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$)$

$$Keep detailed logs of all customer activities.

$$

c

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$)$

$$Nothing$.$

d

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$)$

$$Make all data available to law enforcement at all times.