A laser apparatus for producing a laser light beam can include a gain medium; a pump light source to provide a pump light beam to the gain medium; a first reflector disposed between the first gain medium and the first pump light source and spaced apart from a gain portion of the first gain medium; a second reflector; and an output coupler. A first substrate has a transparent first conductive layer. The method further includes determining if a condition of the rule is met by a Session Initiation Protocol message relating to the user and, if so, implementing an announcement in accordance with the action.