Caller ID circuits

Posted on Jul 12, 2012    3997

Sometimes caller might want to preserve his privacy so that his/her number is not send to the called person. Legistlation say that caller must have some way to disable sending of the called ID information when he/she wants to. This can be done by dialling s special code before making the call. In USA this code is *67 and in Filand you need to use code *31*. For more information, contact your local telephone company. Some companies in USA sel called-id blocking devices, which work just by sending *67 code when you pick up the telephone.

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