The invention deals with a method of communication in cellular networks comprising mobile user equipments (1, 2, 3, 4), base stations (5, 6, 7, 8) and core networks (9, 10), backhauls (1, 12, 13, 14, 15) between base stations (5, 6, 7, 8) and core networks (9, 10), including, if a request from or to a mobile
user equipment (4) cannot be satisfied by a
base station (6) of a first network through own backhaul according to
traffic load thereon, the step of trying to satisfy said request through backhaul of another neighbour
base station (8) of a second network different from first network, said another neighbour
base station (8) being selected according at least to availability and to offered
quality of service thereof.