A method of enabling inter-mobile network proximity services through a direct link between mobile communication devices ( 125, 126, 130) attached to different mobile networks (105,110), the method comprising: selecting and configuring at least one first mobile communication device attached to a first mobile network among said different mobile networks ( 105, 110) for the acquisition of configuration data related to proximity services of at least a second mobile network among said different mobile networks ( 105, 110), said configuration data related to proximity services comprising information about radio resources assigned in said second mobile network for the proximity services; having the selected and configured first mobile communication device report the acquired configuration data related to proximity services of the at least a second mobile network to at least one between: the first mobile network; at least one second mobile communication device located in proximity of the first mobile communication device, characterized in that: said selecting is performed by the first mobile network, and by further comprising: - in case the at least one first mobile communication device is in Connected Mode, having the first mobile network exploit information already available thereto for the selection of the first mobile communication device, wherein said already available information include a profile of the first mobile communication device and capabilities of the first mobile device; - in case the at least one first mobile communication device is in Idle Mode, having the first mobile network broadcast a Paging Message, said Paging Message including an indication for addressing mobile communication devices interested in the acquisition of configuration data related to proximity services; and having the at least one first mobile communication device answer to the Paging Message by establishing a Radio Resource Control, RRC and go into Connected Mode. selecting and configuring at least one first mobile communication device attached to a first mobile network among said different mobile networks ( 105, 110) for the acquisition of configuration data related to proximity services of at least a second mobile network among said different mobile networks ( 105, 110), said configuration data related to proximity services comprising information about radio resources assigned in said second mobile network for the proximity services; having the selected and configured first mobile communication device report the acquired configuration data related to proximity services of the at least a second mobile network to at least one between: the first mobile network; at least one second mobile communication device located in proximity of the first mobile communication device, the first mobile network; at least one second mobile communication device located in proximity of the first mobile communication device, said selecting is performed by the first mobile network, and by further comprising: - in case the at least one first mobile communication device is in Connected Mode, having the first mobile network exploit information already available thereto for the selection of the first mobile communication device, wherein said already available information include a profile of the first mobile communication device and capabilities of the first mobile device; - in case the at least one first mobile communication device is in Idle Mode, having the first mobile network broadcast a Paging Message, said Paging Message including an indication for addressing mobile communication devices interested in the acquisition of configuration data related to proximity services; and having the at least one first mobile communication device answer to the Paging Message by establishing a Radio Resource Control, RRC and go into Connected Mode. - in case the at least one first mobile communication device is in Connected Mode, having the first mobile network exploit information already available thereto for the selection of the first mobile communication device, wherein said already available information include a profile of the first mobile communication device and capabilities of the first mobile device; - in case the at least one first mobile communication device is in Idle Mode, having the first mobile network broadcast a Paging Message, said Paging Message including an indication for addressing mobile communication devices interested in the acquisition of configuration data related to proximity services; and having the at least one first mobile communication device answer to the Paging Message by establishing a Radio Resource Control, RRC and go into Connected Mode.