FIELD: communication systems including mobile ones. SUBSTANCE: during call establishment mobile station transmits random-access burst incorporating heading and aggregate of fields. Information submitted in these fields is used by base station to aid in more effective call establishment and fast allocation of channel resources. Base station receiver has plurality of accumulators, each being adjusted to different character boilerplate of heading. EFFECT: facilitated solving of burst conflict problems; enhanced channel capacity. 13 cl, 7 dwg
