Wireless data transmission unit e.g. GSM type unit, integrating device for e.g. viewphone, has unit transferring communication established by first user towards telephone or services, where device is activated by unit of door`s strike plate

摘要

The device has a transferring unit to transfer the communication established by a first user towards a mobile or fixed telephone or towards special services of an operator supplier of SIM card or towards remote monitoring services. The communication transferring unit is susceptible to be controlled remotely. The device is activated by a unit connected to a strike plate of a door near which the device is installed.