Abstract: A system enabling use of mobile telephone terminals to a first standard in a private telecommunication network to a second standard includes a GSM radio transceiver, a DECT radio transceiver and a converter for applying a GSM terminal declaration and location procedure. The system converts between the signaling protocol standardized by the GSM and a DECT/GAP signaling protocol accepted by the private automatic branch exchange. If necessary, it transcodes between the GSM speech code and a speech code accepted by the private automatic branch exchange.

Abstract: The server includes one pair of simulators for each pair of machines, a first machine and a second machine of any given pair being connected to respective ones of two simulators respectively simulating the behavior of the second machine and the behavior of the first machine. It further includes means for interconnecting all of the simulators, each simulator being capable of communicating with each of the other simulators. For a given pair of machines, the simulator of the second machine includes means for making the first machine believe that certain resources of a third machine are situated in the second machine of the pair in question. Application to providing new services, in particular for making it possible to use GSM terminals in a DECT private network.