If an e-mail is sent to a user of a communication terminal while the communication terminal is being used for voice communication, informing the user that the e-mail has been sent is controlled. The arrangement of the various elements makes it particularly suitable in configurations where compactness and convenience are important considerations. Some implementations of the invention provide solutions for sharing multiple devices within the home network in a grouping to a particular remote user who logs into the home network in a secure fashion. Because the compressor motor operates according to operational conditions of the fan motor, an overload can be prevented. Each of the rubbing strips is connected to the cross-member by a lever able to pivot in order to make the rubbing strip tilt under the effect of a given force encountered by the rubbing strip.