A method of enabling a specific mobile communication service provider Dt to estimate his market share on a street level in real time during a specific period of time over a particular point of interest POI, said method comprising: a. determining the total number of handsets that are generating any registration event in the network that involves information regarding the location of the active handsets served by Dt in said POI during said period of time ADDt; b. determining the ratio AMD of the number of active handsets served by Dt to the total number of handsets served by Dt in said POI during said period of time; c. determining the ratio SMB of the number of non-active handsets served by Dt to the total number of handsets served by Dt in said POI during said period of time; d. obtaining from the manufactures the total number of handsets of model i that have been sold to customers of all providers of mobile communication services in said POI; e. determining the number of handsets of model i that are serviced by Dt in said POI; f. determining the ratio HSTiDt of handsets of model i that have been sold to customers of Dt to the number of handsets of model i that have been sold to customers of all providers of mobile communication services in said POI; g. determining the number PHSTiDt of handsets of model i serviced by D t that are generating active signals at the POI during said specific period of time; h. determining the total number ADi of active devices of model i serviced by all service providers in said in said POI during said period of time designated, wherein ADi, = PHSTiDt / HSTiDt; i. determine the total number ADn of active devices for all n models of handsets for which sales information is available, wherein ADn = ∑ 1 = 1 n PHSTiDt HSTiDt; j. determining the market share MSDt of Dt, wherein MSDt = ADDt / ADn. a. determining the total number of handsets that are generating any registration event in the network that involves information regarding the location of the active handsets served by Dt in said POI during said period of time ADDt; b. determining the ratio AMD of the number of active handsets served by Dt to the total number of handsets served by Dt in said POI during said period of time; c. determining the ratio SMB of the number of non-active handsets served by Dt to the total number of handsets served by Dt in said POI during said period of time; d. obtaining from the manufactures the total number of handsets of model i that have been sold to customers of all providers of mobile communication services in said POI; e. determining the number of handsets of model i that are serviced by Dt in said POI; f. determining the ratio HSTiDt of handsets of model i that have been sold to customers of Dt to the number of handsets of model i that have been sold to customers of all providers of mobile communication services in said POI; g. determining the number PHSTiDt of handsets of model i serviced by D t that are generating active signals at the POI during said specific period of time; h. determining the total number ADi of active devices of model i serviced by all service providers in said in said POI during said period of time designated, wherein ADi, = PHSTiDt / HSTiDt; i. determine the total number ADn of active devices for all n models of handsets for which sales information is available, wherein ADn = ∑ 1 = 1 n PHSTiDt HSTiDt; j. determining the market share MSDt of Dt, wherein MSDt = ADDt / ADn.