Cal. Welf. & Inst. Code § 5170.5

Any person placed in an evaluation facility has, immediately after he is taken to an evaluation facility and except where physically impossible, no later than three hours after he is placed in such facility or taken to such unit, the right to make, at his own expense, at least two completed telephone calls. If the person placed in the evaluation facility does not have money upon him with which to make such calls, he shall be allowed free at least two completed local toll free or collect telephone calls.